SATHEE: Principle Of Inheritance And Variation Question 440

Principle Of Inheritance And Variation Question 440

Question: Gynandromorphs develop in Drosophila when the two cells in the two-celled proembryo will have one of the following chromosomal sets [MP PMT 1997]

Options:

A) 2A + XX in one cell and 2A + X in the other

B) 2A + X in both the cells

C) 2A + XXX in both the cells

D) All of the above

Show Answer

Answer:

Correct Answer: A

Solution:

Gynandromorphs are formed due to misdivision of chromosomes and start as female with 2A + 2X chromosomes.

One of the x-chromosomes is lost during the division of the cell with the result that one of the daughter cells possesses 2A + 2X chromosomes and the other 2A + X.

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Principle Of Inheritance And Variation Question 440

Question: Gynandromorphs develop in Drosophila when the two cells in the two-celled proembryo will have one of the following chromosomal sets [MP PMT 1997]

Options:

Answer:

Solution:

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