What is A situation in which genes are attached to an organisms sex chromosomes the sex of an organism influences the expression of a gene?

What is A situation in which genes are attached to an organisms sex chromosomes the sex of an organism influences the expression of a gene?
by

1 Answer

Answer :

s.e.x linked
by

Related questions

.Match the terms in column I with their description in column II and choose the correct option. Column I Column II A. Dominance (i) Many genes govern a single character B. Co-dominance (ii) In a heterozygous organism only one allele expresses itself C. Pleiotropy (iii) In a heterozygous organism both alleles express themselves fully D. Polygenic (iv) A single gene inheritance influences many characters A B C D (a) (iv) (i) (ii) (iii) (b) (iv) (iii) (i) (ii) (c) (ii) (i) (iv) (iii) (d) (ii) (iii) (iv) (i)

Description : .Match the terms in column I with their description in column II and choose the correct option. Column I Column II A. Dominance (i) Many genes govern a single character B. Co-dominance (ii) In a heterozygous organism only one allele ... (i) (ii) (c) (ii) (i) (iv) (iii) (d) (ii) (iii) (iv) (i)

Last Answer : (d) (ii) (iii) (iv) (i)

What Traits controlled by genes located on sex chromosomes are what kind of traits?

Description : What Traits controlled by genes located on sex chromosomes are what kind of traits?

Last Answer : If a gene is found on the X chromosome (and, less commonly onthe Y chromosome), it is said to be asex-linked trait.There are about 1,098 human X-linked genes. Most of them codefor ... blindness.X-linked genes are also responsible for a common form ofbaldness referred to as "male pattern baldness".

What Traits controlled by genes located on sex chromosomes are what kind of traits?

Description : What Traits controlled by genes located on sex chromosomes are what kind of traits?

Last Answer : If a gene is found on the X chromosome (and, less commonly onthe Y chromosome), it is said to be asex-linked trait.There are about 1,098 human X-linked genes. Most of them codefor ... blindness.X-linked genes are also responsible for a common form ofbaldness referred to as "male pattern baldness".

The colour blindness is more likely to occur in males than in females because (a) the Y-chromosome of males have the genes for distinguishing colours (b) genes for characters are located on the sex- chromosomes (c) the trait is dominant in males and recessive in females (d) none of these.

Description : The colour blindness is more likely to occur in males than in females because (a) the Y-chromosome of males have the genes for distinguishing colours (b) genes for characters are located on the sex- chromosomes (c) the trait is dominant in males and recessive in females (d) none of these.

Last Answer : (b) genes for characters are located on the sex- chromosomes

A woman with two genes for haemophilia and one gene for colour blindness on one of the ‘X’ chromosomes marries a normal man. How will the progeny be? (a) 50% haemophilic colour-blind sons and 50% normal sons. (b) 50% haemophilic daughters (carrier) and 50% colour blind daughters (carrier). (c) All sons and daughters haemophilic and colour- blind. (d) Haemophilic and colour-blind daughters.

Description : A woman with two genes for haemophilia and one gene for colour blindness on one of the X' chromosomes marries a normal man. How will the progeny be? (a) 50% haemophilic colour-blind sons ... ). (c) All sons and daughters haemophilic and colour- blind. (d) Haemophilic and colour-blind daughters.

Last Answer : (b) 50% haemophilic daughters (carrier) and 50% colour blind daughters (carrier).

Which of the following statements is not true of two genes that show 50% recombination frequency? (a) The gene show independent assortment. (b) If the genes are present on the same chromo- some, they undergo more than one cross-overs in every meiosis. (c) The genes may be on different chromosomes. (d) The genes are tightly linked.

Description : Which of the following statements is not true of two genes that show 50% recombination frequency? (a) The gene show independent assortment. (b) If the genes are present on the same chromo- some, they ... every meiosis. (c) The genes may be on different chromosomes. (d) The genes are tightly linked.

Last Answer : (b) If the genes are present on the same chromo- some, they undergo more than one cross-overs in every meiosis.

In a test cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates (a) the two genes are linked and present on the same chromosome (b) both of the characters are controlled by more than one gene (c) the two genes are located on two different chromosomes (d) chromosomes failed to separate during meiosis.

Description : In a test cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates (a) the two genes are linked and present on the ... two genes are located on two different chromosomes (d) chromosomes failed to separate during meiosis.

Last Answer : (a) the two genes are linked and present on the same chromosome

The regulatory i gene of lac operon (A) Is inhibited by lacotse (B) Is inhibited by its own product, the repressor protein (C) Forms a regulatory protein which increases the expression of downstream structural genes (D) Is constitutively expressed

Description : The regulatory i gene of lac operon (A) Is inhibited by lacotse (B) Is inhibited by its own product, the repressor protein (C) Forms a regulatory protein which increases the expression of downstream structural genes (D) Is constitutively expressed

Last Answer : Answer : D

Assertion : Hardy-Weinberg principle states that in the absence of disturbing influences, gene frequencies of large populations of sexually reproducin

Description : Assertion : Hardy-Weinberg principle states that in the absence of disturbing influences, gene frequencies of large populations of sexually reproducin

Last Answer : Assertion : Hardy-Weinberg principle states that in the absence of disturbing influences, gene ... both the assertion and reason are false.

What is the visible product of a gene and the environments influences?

Description : What is the visible product of a gene and the environments influences?

Last Answer : What is the answer ?

When a single gene influences more than one trait it is called (a) pseudodominance (b) pleiotropy (c) epistasis (d) none of these.

Description : When a single gene influences more than one trait it is called (a) pseudodominance (b) pleiotropy (c) epistasis (d) none of these.

Last Answer : (b) pleiotropy

Which one of the following statements best defines an estimate? a. An approximation of project time and cost targets, refined throughout the project life cycle. b. A prediction of a future condition or event based on information or knowledge available now. c. The value of useful work done at any given point in a project to give a measure of progress. d. A situation that affects or influences the outcome of the project expressed in time or cost terms

Description : Which one of the following statements best defines an estimate? a. An approximation of project time and cost targets, refined throughout the project life cycle. b. A prediction of a future ... . A situation that affects or influences the outcome of the project expressed in time or cost terms

Last Answer : a. An approximation of project time and cost targets, refined throughout the project life cycle.

Which one of the following statements best defines an estimate? a. An approximation of project time and cost targets, refined throughout the project life cycle. b. A prediction of a future condition or event based on information or knowledge available now. c. The value of useful work done at any given point in a project to give a measure of progress. d. A situation that affects or influences the outcome of the project expressed in time or cost terms.

Description : Which one of the following statements best defines an estimate?  a. An approximation of project time and cost targets, refined throughout the project life  cycle.  b. A prediction of a future ... . A situation that affects or influences the outcome of the project expressed in time or cost terms.

Last Answer : a. An approximation of project time and cost targets, refined throughout the project life  cycle.

The factors such as the buyer’s age, life-cycle stage, occupation, economic situation, lifestyle, personality and self-concept that influences buyer’s decisions refers to which one of the following characteristic? A. Personal characteristics B. Psychological characteristics C. Behavioral characteristics D. Demographical characteristics

Description : The factors such as the buyer's age, life-cycle stage, occupation, economic situation, lifestyle, personality and self-concept that influences buyer's decisions refers to ... Personal characteristics B. Psychological characteristics C. Behavioral characteristics D. Demographical characteristics

Last Answer : D. Demographical characteristics

What are the human problems caused by sex linked genes ?

Description : What are the human problems caused by sex linked genes ?

Last Answer : Problems that occur in humans due to sex linked genes Color blindness: Not being able to understand the differences between different races. Hemophilia: Abnormal delay in blood circulation causes continuous ... vision. Muscular dystrophy: Muscle complications , loss of mobility at the age of ten.

The genes, which remain confined to differential region of ‘Y’ chromosome, are: (a) Autosomal genes (b) Holandric genes (c) Sex linked genes (d) Mutant genes

Description : The genes, which remain confined to differential region of ‘Y’ chromosome, are: (a) Autosomal genes (b) Holandric genes (c) Sex linked genes (d) Mutant genes

Last Answer : Ans. ((b))

Genes for sex-linked traits are located on

Description : Genes for sex-linked traits are located on

Last Answer : Ans. “Y” chromosome

The genes, which remain confined to differential region of Y-chromosome, are (a) autosomal genes (b) holandric genes (c) completely sex-linked genes (d) mutant genes.

Description : The genes, which remain confined to differential region of Y-chromosome, are (a) autosomal genes (b) holandric genes (c) completely sex-linked genes (d) mutant genes.

Last Answer : b) holandric genes

.In Drosophila, the XXY condition leads to femaleness whereas in human beings the same condition leads to Klinefelter’s syndrome in male. It proves (a) in human beings Y chromosome is active in sex determination (b) Y chromosome is active in sex determination in both human beings and Drosophila (c) in Drosophila Y chromosome decides femaleness (d) Y chromosome of man have genes for syndrome.

Description : .In Drosophila, the XXY condition leads to femaleness whereas in human beings the same condition leads to Klinefelter's syndrome in male. It proves (a) in human beings Y chromosome is active in ... (c) in Drosophila Y chromosome decides femaleness (d) Y chromosome of man have genes for syndrome.

Last Answer : (a) in human beings Y chromosome is active in sex determination

A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion (a) 3 : 1 (b) 7 : 1 (c) 1 : 1 (d) 2 : 1.

Description : A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion (a) 3 : 1 (b) 7 : 1 (c) 1 : 1 (d) 2 : 1.

Last Answer : (c) 1 : 1

Where are genes located on chromosomes? -Biology

Description : Where are genes located on chromosomes? -Biology

Last Answer : answer:

Genes located on X-chromosomes are called

Description : Genes located on X-chromosomes are called

Last Answer : Genes located on X-chromosomes are called A. Sex influnced B. Sex limited C. Sex linked D. Maternal genes

$ Those genes which are present on "Y" chromosomes of human beings are called holandric genes. ! Holandric genes are present both in men as well as wo

Description : $ Those genes which are present on "Y" chromosomes of human beings are called holandric genes. ! Holandric genes are present both in men as well as wo

Last Answer : $ Those genes which are present on "Y" chromosomes of human beings are called holandric genes. ! Holandric ... wrong D. If both As and R are wrong.

What happens to the genes when 2 chromosomes embrace?

Description : What happens to the genes when 2 chromosomes embrace?

Last Answer : What is the answer ?

Map of genome showing relative positions of genes and or markers on chromosomes

Description : Map of genome showing relative positions of genes and or markers on chromosomes

Last Answer : Ans. Genetic map

Polyploidy arises due to change in the (1) number of chromatids (2) structure of genes (3) number of chromosomes (4) structure of chromosomes

Description : Polyploidy arises due to change in the (1) number of chromatids (2) structure of genes (3) number of chromosomes (4) structure of chromosomes

Last Answer : (3) number of chromosomes Explanation: An organism having more than two sets of homologous chromosomes is known as polyploid and the phenomenon polyploidy. Polyploidy refers to a numerical change in ... due to abnormal cell division, either during mitosis, or commonly during metaphase I in meiosis.

Genes, the hereditary units, are located in the – (1) nuclear membrane (2) chromosomes (3) lysosomes (4) cell membrane

Description : Genes, the hereditary units, are located in the – (1) nuclear membrane (2) chromosomes (3) lysosomes (4) cell membrane

Last Answer : (2) chromosomes Explanation: A chromosome is an organized structure of DNA and protein found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements ... an organism's genetic information; some species also contain plasrnids or other extrachromosomal genetic elements.

Write note on (a) DNA (b) chromosomes (c) Genes

Description : Write note on (a) DNA (b) chromosomes (c) Genes 

Last Answer : (a) DNA  Deoxyribonucleic acid, or DNA, is a molecule that contains the instructions an organism needs to develop, live and reproduce.  These instructions are found inside every cell ... acts as instructions to make molecules called proteins  Genes are located on chromosomes 

What are the structures called that give an appearance as ‘beads-on-string’ in the chromosomes when viewed under electron microscope? (a) Genes (b) Nucleotides (c) Nucleosomes (d) Base pairs

Description : What are the structures called that give an appearance as ‘beads-on-string’ in the chromosomes when viewed under electron microscope? (a) Genes (b) Nucleotides (c) Nucleosomes (d) Base pairs

Last Answer : Nucleosomes

Independent assortment of genes does not take place when (a) genes are located on homologous chromosomes (b) genes are linked and located on same chromosome (c) genes are located on non-homogenous chromosome (d) all of these.

Description : Independent assortment of genes does not take place when (a) genes are located on homologous chromosomes (b) genes are linked and located on same chromosome (c) genes are located on non-homogenous chromosome (d) all of these.

Last Answer : genes are linked and located on same chromosome

What map unit (centimorgan) is adopted in the construction of genetic maps? (a) A unit of distance between genes on chromosomes, representing 50% cross over. (b) A unit of distance between two expressed genes, representing 10% cross over. (c) A unit of distance between two expressed genes, representing 100% cross over. (d) A unit of distance between genes on chromosomes, representing 1% cross over.

Description : What map unit (centimorgan) is adopted in the construction of genetic maps? (a) A unit of distance between genes on chromosomes, representing 50% cross over. (b) A unit of distance between two ... 100% cross over. (d) A unit of distance between genes on chromosomes, representing 1% cross over.

Last Answer : (d) A unit of distance between genes on chromosomes, representing 1% cross over.

The genes controlling the seven pea characters studied by Mendel are now known to be located on how many different chromosomes? (a) Seven (b) Six (c) Five (d) Four

Description : The genes controlling the seven pea characters studied by Mendel are now known to be located on how many different chromosomes? (a) Seven (b) Six (c) Five (d) Four

Last Answer : Four

Two plants can be conclusively said to belong to the same species if they (a) have more than 90 percent similar genes (b) look similar and possess identical secondary metabolites (c) have same number of chromosomes (d) can reproduce freely with each other and form seeds.

Description : Two plants can be conclusively said to belong to the same species if they (a) have more than 90 percent similar genes (b) look similar and possess identical secondary metabolites (c) have same number of chromosomes (d) can reproduce freely with each other and form seeds.

Last Answer : (d) can reproduce freely with each other and form seeds

Polyploidy arises due to change in the (1) number of chromatids (2) structure of genes (3) number of chromosomes (4) structure of chromosomes

Description : Polyploidy arises due to change in the (1) number of chromatids (2) structure of genes (3) number of chromosomes (4) structure of chromosomes

Last Answer : number of chromosomes

Genes, the hereditary units, are located in the (1) nuclear membrane (2) chromosomes (3) lysosomes (4) cell membrane

Description : Genes, the hereditary units, are located in the (1) nuclear membrane (2) chromosomes (3) lysosomes (4) cell membrane

Last Answer : chromosomes

At metaphase, chromosomes are attached to the spindle fibres by their (a) satellites (b) secondary constrictions (c) kinetochores (d) centromeres.

Description : At metaphase, chromosomes are attached to the spindle fibres by their (a) satellites (b) secondary constrictions (c) kinetochores (d) centromeres.

Last Answer : (c) kinetochores

A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics? (a) Metaphase - Spindle fibers attached to kinetochores, centromeres split and chromatids separate. (b) Metaphase - Chromosomes moved to spindle equator, chromosomes made up of two sister chromatids. (c) Anaphase - Centromeres split and chromatids separate and start moving away. (d) Late prophase - Chromosomes move to spindle equator.

Description : A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics? (a) Metaphase - Spindle fibers attached to kinetochores, centromeres split and chromatids ... chromatids separate and start moving away. (d) Late prophase - Chromosomes move to spindle equator.

Last Answer : (b) Metaphase - Chromosomes moved to spindle equator, chromosomes made up of two sister chromatids.

The point at which polytene chromosomes appear to be attached together is known as

Description : 30. The point at which polytene chromosomes appear to be attached together is known as (a) centriole (b) centromere (c) chromomere (d) chromocentre

Last Answer : Answer: d chromocentre

(a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human: (i) Sperm (ii) Zygote (b) Name an animal in which individuals can change sex. What does this indicate? -Science

Description : (a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human: (i) Sperm (ii) Zygote (b) Name an animal in which individuals can change sex. What does this indicate? -Science

Last Answer : (a) A normal human being has 46 chromosomes in which 23 chromosomes come from males and 23 chromosomes come from female. (i) Sperms coming from males have 23 chromosomes. (ii) Zygote forming in ... chromosomes in all. (b) Snail. This indicates that sex is not determined genetically in such animals.

Which best describes the sex chromosomes in humans?

Description : Which best describes the sex chromosomes in humans?

Last Answer : Humans have 22 pairs of homologous non-sex chromosomes (called autosomes), and one pair of sex chromosomes, making a total of 46 chromosomes in a genetically normal human.Each member of a pair is inherited ... a homologous pair of sex chromosomes (two Xs), while males have an X and a Y chromosome.

How many sex chromosomes ?

Description : How many sex chromosomes ?

Last Answer : Two sex chromosomes.

How many pairs of sex chromosomes ?

Description : How many pairs of sex chromosomes ?

Last Answer : 1 pair of sex chromosomes

$ The term chromosome was introduced by Waldeyer. ! Sex chromosomes are also called Heterosomes.

Description : $ The term chromosome was introduced by Waldeyer. ! Sex chromosomes are also called Heterosomes.

Last Answer : $ The term chromosome was introduced by Waldeyer. ! Sex chromosomes are also called Heterosomes. A. If both ... wrong D. If both As and R are wrong.

If a naked mole rat has 27 chromosomes in its sex cellshow many chromosomes would it have in its body cells?

Description : If a naked mole rat has 27 chromosomes in its sex cellshow many chromosomes would it have in its body cells?

Last Answer : Need answer

Why is it important that sex cells have half the numbers as chromosomes as body as body cells?

Description : Why is it important that sex cells have half the numbers as chromosomes as body as body cells?

Last Answer : This happens so the genetic material from both parents combinesto make new set.

How many chromosomes does a elephant have in a sex cell?

Description : How many chromosomes does a elephant have in a sex cell?

Last Answer : Need answer

In normal human sex cells contain the number of chromosomes?

Description : In normal human sex cells contain the number of chromosomes?

Last Answer : I'm guessing you mean germ cells (oocyte and sperm). Each onehas 23 chromosomes (haploid), so when they fuse they make a fullcell (46 chromosomes-diplod).

What chromosomes determine the sex of the child?

Description : What chromosomes determine the sex of the child?

Last Answer : the males X and Y chromosomes and the females X chromosomes

How are sex chromosomes of human males and females alike How are they different?

Description : How are sex chromosomes of human males and females alike How are they different?

Last Answer : Need answer

What determines the sex of a child? (1) Chromosomes of the father (2) Chromosomes of the mother (3) Rh factor of the parents (4) Blood group of the father

Description : What determines the sex of a child? (1) Chromosomes of the father (2) Chromosomes of the mother (3) Rh factor of the parents (4) Blood group of the father

Last Answer : (1) Chromosomes of the father Explanation: In humans and several other species of animals, the father determines the sex of the child. In the XV sex-determination system, the female-provided ovum ... X chromosome or a Y chromosome, resulting in female (XX) or male (XY) offspring, respectively.