In normal human sex cells contain the number of chromosomes?

1 Answer

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).

Related questions

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.

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

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.

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

Last Answer : Need answer

Description : An abnormal human baby with ‘XXX’ sex chromosomes was born due to (a) fusion of two ova and one sperm (b) fusion of two sperms and one ovum (c) formation of abnormal sperms in the father (d) formation of abnormal ova in the mother.

Last Answer : (d) formation of abnormal ova in the mother.

Description : Which type of germ cells contain 23 chromosomes

Last Answer : Which type of germ cells contain 23 chromosomes A. Spermatogonia B. Primary spermatocytes C. Secondary spermatocytes D. None of above

Description : Which of the following is not true for eukaryotic cells? A- Nucleus is bounded by nuclear membrane B- Chromosomes contain histones C- Chloroplasts and mitochondria contains 70S ribosomes D- Gas vacuoles are present

Last Answer : Gas vacuoles are present

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

Description : How many chromosomes does a human cell contain?

Last Answer : 46

Description : In a species of corn the diploid number of chromosomes is 20. what would be the number of chromosomes found in each of the normal egg cells produced by this species?

Last Answer : Need answer

Description : Consider the following statements: 1. Normal diet should contain 75gm of fat. 2. Fatty acids should be a part of human diet. 3. The cells of the human body cannot synthesise any fatty acids. 4. Deficiency diseases develop due to the absence ... correct? (a) 1, 2 (b) 2, 3 (c) 1, 2, 3, 4 (d) 1, 2, 4

Last Answer : Ans:(b)

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.

Description : How many sex chromosomes ?

Last Answer : Two sex chromosomes.

Description : How many pairs of sex chromosomes ?

Last Answer : 1 pair of sex chromosomes

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.

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

Last Answer : Need answer

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".

Description : What chromosomes determine the sex of the child?

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

Description : 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?

Last Answer : s.e.x linked

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".

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.

Description : Down’s syndrome is due to (a) crossing over (b) linkage (c) sex-linked inheritance (d) non-disjunction of chromosomes.

Last Answer : (d) non-disjunction of chromosomes.

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

Description : .A person with the sex chromosomes XXY suffers from (a) gynandromorphism (b) Klinefelter’s syndrome (c) Down’s syndrome (d) Turner’s syndrome.

Last Answer : (b) Klinefelter’s syndrome

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.

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

Description : Meiosis II performs (a) separation of sex chromosomes (b) synthesis of DNA and centromere (c) separation of homologous chromosomes (d) separation of chromatids.

Last Answer : d) separation of chromatids.

Description : Select the incorrect match. (a) Lampbrush – Diplotene bivalents chromosomes (b) Allosomes – Sex chromosomes (c) Sub-metacentric – L-shaped chromosomes chromosomes (d) Polytene – Oocytes of chromosomes amphibians

Last Answer : (d) Polytene – Oocytes of chromosomes amphibians

Description : Select the incorrect match : (1) Lampbrush – Diplotene bivalents chromosomes (2) Allosomes – Sex chromosomes (3) Submetacentric – L-shaped chromososmes chromosomes (4) Polytene – Oocytes of amphibians chromosomes

Last Answer : (4) Polytene – Oocytes of amphibians chromosomes

Description : The chromosomes responsible for characteristics other than sex are known by which of the following terms? a) ribosomes b) lysosomes c) autosomes d) spermatocytes

Last Answer : ANSWER: C -- AUTOSOMES 

Description : Allosomes are (1) cell organelles (2) plant hormones (3) alleles (4) sex chromosomes

Last Answer : sex chromosomes

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 : Chromosomes of the father

Description : The number of chromosomes present in normal human being are - (1) 23 (2) 46 (3) 22 (4) 48

Last Answer : (2) 46 Explanation: A chromosomeis an organized structure of DNA and protein found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements and other nucleotide sequences. ... genetic traits are linked to a person's sex and are passed on through the sex chromosomes.

Description : What is the number of chromosomes in a normal human body cell? (1) 43 (2) 44 (3) 45 (4) 46

Last Answer : (4) 46 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 and other nucleotide sequences. ... (22 pairs of autosomes and one pair of sex chromosomes), giving a total of 46 per cell.

Description : The number of chromosomes present in normal human being are (1) 23 (2) 46 (3) 22 (4) 48

Last Answer : 46

Description : What is the number of chromosomes in a normal human body cell ? (1) 43 (2) 44 (3) 45 (4) 46

Last Answer : 46

Description : If a normal human cell has 46 chromosomes how many chromosomes will its daughter cell have?

Last Answer : Need answer

Description : .A human female with Turner’s syndrome (a) has 45 chromosomes with XO (b) has one additional X chromosome (c) exhibits male characters (d) is able to produce children with normal husband.

Last Answer : (a) has 45 chromosomes with XO

Description : .Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child? (a) Two X chromosomes (b) Only one Y chromosome (c) Only one X chromosome (d) One X and one Y chromosome

Last Answer : (a) Two X chromosomes

Description : $ A chromosomes with equal sized arms is called isobrachial. ! Barr bodies are present in the cells of human females.

Last Answer : $ A chromosomes with equal sized arms is called isobrachial. ! Barr bodies are present in the cells of human ... wrong D. If both As and R are wrong.

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

Description : Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur ... will not segregate (3) Recombination of chromosome arms will occur (4) Chromosomes will not condense

Last Answer : (2) Chromosomes will not segregate

Description : Somatic cells of a human have ____ chromosomes and are called (A) 10, haploid (B) 92, diploid (C) 23, haploid (D) 46, diploid

Last Answer : (D) 46, diploid

Description : Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component

Last Answer : C.80S ribosomes are distributed in cytoplasm

Description : Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component

Last Answer : 80S ribosomes are distributed in cytoplasm

Description : Which of the two enents restore the normal number of chromosomes in life cycle?

Last Answer : Which of the two enents restore the normal number of chromosomes in life cycle? A. Mitosis ... C. Fertilisation and mitosis D. Only meiosis

Description : In man, the normal number of chromosomes is - (1) 42 (2) 44 (3) 46 (4) 48

Last Answer : (3) 46 Explanation: Chromosomes are the structures that hold our genes. Genes are the individual instructions that tell our bodies how to develop and function; they govern our physical and medical ... the egg), and the other set is inherited from the biological father (from the sperm).

Description : In man, the normal number of chromosomes is (1) 42 (2) 44 (3) 46 (4) 48

Last Answer : 46

Description : Assertion : Meiosis is also known as reduction division. Reason : Meiosis reduces the number of chromosomes in daughter cells.

Last Answer : Assertion : Meiosis is also known as reduction division. Reason : Meiosis reduces the number of ... D. If both Assertion & Reason are false.

Description : If the number of bivalents are 8 in metaphase - I, what shall be the number of chromosomes in daughter cells after meiosis -I and meiosis -II respecti

Last Answer : If the number of bivalents are 8 in metaphase - I, what shall be the number of chromosomes in daughter cells after ... 4 and 4 C. 8 and 8 D. 16 and 8