Question

In a certain taxon of insects some have 17 chromosomes and the others have 18 chromosomes the 17 and 18 chromosomes wearing organisms are :

• A. Male and female respectively
• B. Female and male respectively
• C. All males
• D. All females

Answer 1

Answer:

A. Male and female respectively

• It is found in some insects

• where the males are represented by XO and the female as xx male have only one X chromosomes besides the autosomes,where as females have a pair of X chromosomes besides the autosoms.

• this results in different chromosome number in males and females.

• Thus the 17 and 18 chromos bearing organisms are male and female respectively.