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A diploid plant has 14 chromosomes, but ...

A diploid plant has 14 chromosomes, but its egg cell has 6 chromosomes. Which one of the following is the most likely explanation of this?

A

Non-disjunction in meiosis I and II

B

Non-disjunction in meiosis II

C

Non-disjunction is mitosis

D

Normal meiosis

Text Solution

Verified by Experts

The correct Answer is:
B
Egg cell is formed by meiosis. Less number of chromosome indicates non-disjunction in meiosis I.
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  • A plant root has 16 chromosomes , so

    A
    gamate has 16 chromosomes
    B
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    C
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  • Root cells of wheat has 2n=42 chromosomes . Which one of the following is the basic chromosome number fo wheat ?

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    21

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    D
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