The sexual chromosome will be represented as ……………. in males and as ………. in females.

Girl: XX Chromosomes :: Boy:………………

In human beings DNA controls the characters whereas in viruses ………….. controls the character.

The structure of ,DNA is ……………

Which of the following is not the base of Nitrogen in DNA ?

The number of autosomes in human beings

The allosome in males is ………

Raju’s chromosomes are 44 + XY and his wife Rani’s chromosomes are 44 + XX. Then their first male child will have these chromosomes

The bodily changes …………

Scientist who discovered the structure of DNA is

Gene : DNA:: Virus : ………………

Who, in the following is not related to the discovery of DNA ?

Which of the following statements is incorrect with respect to variations ?

Weak deer cannot live long in a forest according to Darwin’s principle. What concept does it show ?

In Galapagos Islands, Darwin observed variations in structure in …………