A : The gametes will be having half the number of chromosomes as compared to non-reproductive cells.
B : A zygote will also have only half the number of chromosomes.
Which option(s) would be right?

Only A is correct

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Only B is correct

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Both A and B are correct

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Both A and B are wrong

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Solution

The correct option is A Only A is correct
There are special lineages of cells in specialised organs in which only half the number of chromosomes and half the amount of DNA as compared to the non-reproductive body cells are present. This is achieved by a process of cell division called meiosis. Thus, when these germ-cells from two individuals combine during sexual reproduction to form a new individual, it results in re-establishment of the number of chromosomes and the DNA content in the new generation. Therefore, the zygote will be diploid or will contain normal amount of chromosomes.

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Similar questions

The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete, zygote and the cells of the seedling will be, respectively,
(a) 12,24,12. (b) 24,12,12
(c) 12,24,24 (d) 24,12,24

Statement 1 (S1): The gametes or sex cells have only half the number of chromosomes compared to other cells in the body.

Statement 2 (S2): Mitosis gives rise to gametes.

Q. In diploid zygote, chromosome number is 40. Chromosome number in a gamete will be

Which of the following statement is correct?

Statement 1 (S1): The gametes or sex cells have only half the number of chromosomes compared to other cells in the body.

Statement 2 (S2): Mitosis gives rise to gametes.

The person A has only B chromosomes in all its gametes. On the other hand, another person C has chromosomes D in half of the gametes and chromosome E in the other half of gametes. When chromosomes B and D combine during fertilisation, a female zygote results. On the other hand, the combination of B and E chromosomes produces a male zygote.

(a) What are chromosomes (i) B (ii) D, and (iii) E?

(b) Out of B, D and E, which two chromosomes are of the same type?

(d) What is the general name of chromosomes such as B and E?

(e) Out of the two persons A and C, which one is (i) male, and (ii) female?

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A : The gametes will be having half the number of chromosomes as compared to non-reproductive cells. B : A zygote will also have only half the number of chromosomes. Which option(s) would be right?

A : The gametes will be having half the number of chromosomes as compared to non-reproductive cells.
B : A zygote will also have only half the number of chromosomes.
Which option(s) would be right?