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The fruit fly Drosophila melanogaster wa...

The fruit fly Drosophila melanogaster was found to be very suitable for expermiental verification of chromosomal theory on inheritanc by Morgan and his coleagues because

A

it reproduces parthenogenetically

B

A single mating produces two young flies

C

smaller female is easily recomgnizable from larger male

D

It completes life cycle in about two weeks

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The correct Answer is:
D
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A cross of white eyed female and red eyed male drosophila gives red eyed females and white eyed males. Rarely this cross may give all white eyed females and red eyed males. This was found to be due to 1. loss of a sex chromosome 2. non disjunction of X chromosomes in female 3. mutation in female fly 4. mutation in male fly

Chromosome number in melanocyte of drosophila (fruit fly) is a. 2 b. 4 c. 6 d. 8

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