In humans have a larger sex chromosome?

In humans have a larger sex chromosome?
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What is a sex chromosome? -Biology

Description : What is a sex chromosome? -Biology

Last Answer : Sex chromosome is a chromosome that operates in the sex-determining mechanism of a species. Many animals have two different types of sex chromosomes. For example, in human there is a large X chromosome and a much smaller Y chromosome.

Sex determination of child is done by whose chromosome? -General Knowledge

Description : Sex determination of child is done by whose chromosome? -General Knowledge

Last Answer : The answer is 'Father'

Sex determination of child is done by whose chromosome? -General Knowledge

Description : Sex determination of child is done by whose chromosome? -General Knowledge

Last Answer : answer:

Sex determination of child is done by whose chromosome? -General Knowledge

Description : Sex determination of child is done by whose chromosome? -General Knowledge

Last Answer : answer:

What is a sex chromosome ?

Description : What is a sex chromosome ?

Last Answer : The chromosome by which the sex of an organism is determined is called sex chromosome.

What is a sex chromosome ?

Description : What is a sex chromosome ?

Last Answer : Chromosomes other than autosomes that help determine the sex of an organism are called allozomes or sex-chromosomes.

XX-XO sex chromosome complement occurs in

Description : XX-XO sex chromosome complement occurs in

Last Answer : XX-XO sex chromosome complement occurs in A. Cockrocach B. Hony bee C. Chimpanzee D. Human female

$ 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.

How can a person have a sex chromosome that differs from their external appearance?

Description : How can a person have a sex chromosome that differs from their external appearance?

Last Answer : 1) Mosaics (more than one set of genes in one body).2) Any type of hormone error that produces hormones that don'twork right.

What ia the difference between an autosome and a sex chromosome?

Description : What ia the difference between an autosome and a sex chromosome?

Last Answer : An autosome is a gene that determines what a species looks like no mater the sex. The sex chromosome has genes on it that determines sex and the characterics that go with that sex.

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))

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

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

Genetic identity of a human male is determined by (a) sex-chromosome (b) cell organelles (c) autosome (d) nucleolus.

Description : Genetic identity of a human male is determined by (a) sex-chromosome (b) cell organelles (c) autosome (d) nucleolus.

Last Answer : a) sex-chromosome

In Drosophila, the sex is determined by (a) the ratio of number of X-chromosome to the sets of autosomes (b) X and Y chromosomes (c) the ratio of pairs of X-chromosomes to the pairs of autosomes (d) whether the egg is fertilized or develops parthenogenetically.

Description : In Drosophila, the sex is determined by (a) the ratio of number of X-chromosome to the sets of autosomes (b) X and Y chromosomes (c) the ratio of pairs of X-chromosomes to the pairs of autosomes (d) whether the egg is fertilized or develops parthenogenetically.

Last Answer : (c) the ratio of pairs of X-chromosomes to the pairs of autosomes

. Select the incorrect statement. (a) Human males have one of their sex-chromosome much shorter than other. (b) Male fruit fly is heterogametic. (c) In male grasshoppers, 50% of sperms have no sex-chromosome. (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

Description : . Select the incorrect statement. (a) Human males have one of their sex-chromosome much shorter than other. (b) Male fruit fly is heterogametic. (c) In male grasshoppers, 50% of sperms have no sex-chromosome. (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

Last Answer : (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

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

If Mendel had studied the seven traits using a plant with 12 chromosomes instead of 14, in what way would his interpretation have been different? (a) He would not have discovered the law of independent assortment. (b) He would have discovered sex linkage. (c) He could have mapped the chromosome. (d) He would have discovered blending or incomplete dominance.

Description : If Mendel had studied the seven traits using a plant with 12 chromosomes instead of 14, in what way would his interpretation have been different? (a) He would not have discovered the law of ... c) He could have mapped the chromosome. (d) He would have discovered blending or incomplete dominance.

Last Answer : He would not have discovered the law of

Sex determination of child is done by whose chromosome?

Description : Sex determination of child is done by whose chromosome?

Last Answer : Father

Sex chromosome of a female bird are represented by

Description : 3. Sex chromosome of a female bird are represented by (a ) XO (b)ZW (c)XY (d)ZZ

Last Answer : (b)ZW

1. Sex determination of child is done by whose chromosome? 2. Who is authorised to decide over a dispute regarding disqualification of a member of Parliament? 3. Who firstly demonstrated experimentally the existence of electromagnetic wave? 4. Which is not essentially a species of the Himalayan vegetation? 5. What are the main channels of our knowledge about the Indus Valley Civilization?

Description : 1. Sex determination of child is done by whose chromosome? 2. Who is authorised to decide over a dispute regarding disqualification of a member of Parliament? 3. Who firstly demonstrated ... of bargets, coasters and dredgers? 20. In which country was Buddhism first propogated outside India?

Last Answer : Answer : 1. Father 2. President 3. Hertz 4. Mahogany 5. Archaeological excavations 6. December 20 7. International Year of Volunteers 8. Increase growth in lenght 9. Tropical moist deciduous ... . Boxing 17. Herbert Spencer 18. During a Financial Emergency 19. Garden Reach Shipyard 20. Srilanka

Regarding the human chromosomesa. there are 23 pairs autosomal chromosomes b. the Y chromosome is larger than the X chromosome c. cells containing YO chromosome are not compatible with life d. Barr body is caused by the presence of an inactive X chromosome

Description : Regarding the human chromosomes a. there are 23 pairs autosomal chromosomes b. the Y chromosome is larger than the X chromosome c. cells containing YO chromosome are not compatible with life d. Barr body is caused by the presence of an inactive X chromosome

Last Answer : cells containing YO chromosome are not compatible with life

Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tend to be (a) smaller but to have larger sex organs (b) larger but to have smaller sex organs (c) larger and to have larger sex organs (d) smaller and to have smaller sex organs.

Description : Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tend to be (a) smaller but to have larger sex organs (b) larger but to have smaller sex organs (c) larger and to have larger sex organs (d) smaller and to have smaller sex organs.

Last Answer : (d) smaller and to have smaller sex organs.

What is the chromosome number found in humans after meiosis is completed?

Description : What is the chromosome number found in humans after meiosis is completed?

Last Answer : Need answer

What is the diploid chromosome number for humans and ensp and ensp and ensp and ensp and ensp?

Description : What is the diploid chromosome number for humans and ensp and ensp and ensp and ensp and ensp?

Last Answer : The human genome contains 23 chromosomes (n=23) so the diploidcells contain, in a healthy person, exactly 46 chromosomes(2n=46).

Production of a human protein in bacteria by genetic engineering is possible because (a) the human chromosome can replicate in bacterial cell (b) the mechanism of gene regulation is identical in humans and bacteria (c) bacterial cell can carry out the RNA splicing reactions (d) the genetic code is universal.

Description : Production of a human protein in bacteria by genetic engineering is possible because (a) the human chromosome can replicate in bacterial cell (b) the mechanism of gene regulation is identical in ... ) bacterial cell can carry out the RNA splicing reactions (d) the genetic code is universal.

Last Answer : (d) the genetic code is universal.

The recessive genes located on X-chromosome humans are always (a) lethal (b) sub-lethal (c) expressed in males (d) expressed in females.

Description : The recessive genes located on X-chromosome humans are always (a) lethal (b) sub-lethal (c) expressed in males (d) expressed in females.

Last Answer : (c) expressed in males

Cri-du-chat syndrome in humans is caused by the (a) trisomy of 21st chromosome (b) fertilisation of an XX egg by a normal Y-bearing sperm (c) loss of half of the short arm of chromosome 5 (d) loss of half of the long arm of chromosome 5.

Description : Cri-du-chat syndrome in humans is caused by the (a) trisomy of 21st chromosome (b) fertilisation of an XX egg by a normal Y-bearing sperm (c) loss of half of the short arm of chromosome 5 (d) loss of half of the long arm of chromosome 5.

Last Answer : (c) loss of half of the short arm of chromosome 5

.Down’s syndrome in humans is due to (a) three ‘X’ chromosomes (b) three copies of chromosome 21 (c) monosomy (d) two ‘Y’ chromosomes.

Description : .Down’s syndrome in humans is due to (a) three ‘X’ chromosomes (b) three copies of chromosome 21 (c) monosomy (d) two ‘Y’ chromosomes.

Last Answer : b) three copies of chromosome 21

Explain the mechanism of sex determination in humans. Or With the help of a flow chart explain in brief how the sex of a newborn is genetically determined in human beings. Which of the two parents, the mother or the father, is responsible for determination of sex of a child? -Biology

Description : Explain the mechanism of sex determination in humans. Or With the help of a flow chart explain in brief how the sex of a newborn is genetically determined in human beings. Which of the two parents, the mother or the father, is responsible for determination of sex of a child? -Biology

Last Answer : Mechanism of Sex Determination in Human Beings: In human beings, the sex of the individual is genetically determined.Sex determination is the process by which sex of a new born individual can be ... happens at fertilisation. Thus, father is responsible for the determination of the sex of a child.

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 animals are humans ?

Last Answer : Humans are 1 sex animals

Which one of the following conditions correctly describes the manner of determining the sex? (a) Homozygous sex chromosomes (ZZ) determine female sex in birds. (b) XO type of sex chromosomes determine male sex in grasshopper. (c) XO condition in humans as found in Turner’s syndrome, determines female sex. (d) Homozygous sex chromosomes (XX) produce male in Drosophila.

Description : Which one of the following conditions correctly describes the manner of determining the sex? (a) Homozygous sex chromosomes (ZZ) determine female sex in birds. (b) XO type of sex chromosomes ... s syndrome, determines female sex. (d) Homozygous sex chromosomes (XX) produce male in Drosophila.

Last Answer : (b) XO type of sex chromosomes determine male sex in grasshopper.

In our society women are blamed for producing female children. Choose the correct answer for the sex-determination in humans. (a) Due to some defect like aspermia in man. (b) Due to the genetic make up of the particular sperm which fertilises the egg. (c) Due to the genetic make up of the egg. (d) Due to some defect in the women.

Description : In our society women are blamed for producing female children. Choose the correct answer for the sex-determination in humans. (a) Due to some defect like aspermia in man. (b) Due to the genetic make up of the ... . (c) Due to the genetic make up of the egg. (d) Due to some defect in the women.

Last Answer : (b) Due to the genetic make up of the particular sperm which fertilises the egg.

The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for (a) maintaining the scrotal temperature lower than the internal body temperature (b) escaping any possible compression by the visceral organs (c) providing more space for the growth of epididymis (d) providing a secondary sexual feature for exhibiting the male sex.

Description : The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for (a) maintaining the scrotal temperature lower than the internal body ... growth of epididymis (d) providing a secondary sexual feature for exhibiting the male sex.

Last Answer : (a) maintaining the scrotal temperature lower than the internal body temperature

The purpose of preclinical testing is: a. To verify that a drug is sufficiently safe and effective to be tested in humans. b. To undergo preliminary testing in healthy humans to monitor the effects of the drug. c. To create a basic outline for the larger scale future tests on a widespread population. d. To develop method of drug analysis

Description : The purpose of preclinical testing is: a. To verify that a drug is sufficiently safe and effective to be tested in humans. b. To undergo preliminary testing in healthy humans to monitor the ... for the larger scale future tests on a widespread population. d. To develop method of drug analysis

Last Answer : a. To verify that a drug is sufficiently safe and effective to be tested in humans.