Genetic constitution of gamete gets decided in ___.

Metaphase-I

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Anaphase-I

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Anaphase-II

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Interkinesis

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Solution

The correct option is B
Anaphase-I

Gametogenesis involves meiosis. In anaphase-I, the two homologous sets of chromosomes containing the two different alleles segregate, and the genetic constitution of the gametes get decided in this stage.
The sister chromatids are separated in anaphase-II, but the sister chromatids are identical copies of a single allele formed through replication, and do not alter the genetic constitution of the gametes formed.
Metaphase-I or interkinesis does not involve chromosome or allele separation.

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Question 2

At which stage of meiosis does the genetic constitution of gametes is finally decided
(a) Metaphase-I
(b) Anaphase-II
(c) Metaphase-II
(d) Anaphase-I

In which one of the following options the stages of mitosis have been given in correct sequence ?
(a) Prophase, metaphase, telophase, anaphase
(b) Prophase, metaphase, anaphase, telophase
(c) Anaphase, telophase, prophase, metaphase
(d) Telophase, anaphase, prophase, metaphase

In Anaphase of mitosis:
(I) Chromosomes move to equator and get aligned along metaphase plate.
(II) Centromere of each chromosome is towards the equator when chromosomes move away from the equatorial plate.
(III) Each chromosome arranged at the metaphase plate splits simultaneously.

Q. Anaphase differs from metaphase in having

Q. Nuclear membrane reappears in
(a) metaphase
(b) prophase
(c) telophase
(d) anaphase

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