MyQuestionIcon

2

You visited us 2 times! Enjoying our articles? Unlock Full Access!

Chromosomes

How many pair...

Question

How many pairs of chromosomes does a male Drosophila fly have? Which one of these bears the gene for the eye colour?

Open in App

Solution

In male Drosophila one X chromosome, one small Y chromosome, and two autosomes are present. The gene for the eye colour is located on the X chromosome.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Drosophila can have the following alleles for eye colour: red, white, apricot, eosine, wine,coral, cherry etc. Show by diagram, how many of these alleles will be present in one fly?

Q. From which of the following observations did Morgan conclude that the gene for eye colour in Drosophila was located on the X chromosome?

Q. In drosophila gene A and B are

10

map unit apart on chromosome. A female Drosophila with genotype

\frac{A B}{a b}

and male Drosophila with genotype

\frac{A B}{a b}

were crossed. How many type of gametes are produced by female and male Drosophila respectively:

Q. Assertion (A): In Drosophila, the recombination frequency of the genes responsible for the eye colour and wing size is more than that of body colour and eye colour.
Reason (R): In Drosophila, the gene responsible for eye colour is more closely located to the gene for body colour as compared to the gene for wing size.
[0.7 mark]

Q. How many X chromosomes does a male have?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Chromosomes

BIOLOGY

Watch in App

explore_more_icon

Explore more

Standard X Biology

Join BYJU'S Learning Program

CrossIcon