Heredity and evolution: Heredity and variation, basis of heredity, chromosome and DNA, gene, sex determination, preliminary knowledge of organic evolution (Oparin's theory only)

What is the arrangement of genes on a chromosome?

What is the statistical interaction between gene loci called?

A segment of DNA/RNA molecule that contains information of coding for a protein or peptide sequence is known as

What is 'Kinetochore' generally called as?

Human ABO blood group system is the example of

In which of the following animals, the sex is determined by Z and W chromosomes?

Haemophilia disease is more commonly seen in males because

On which plant the mulation was first noticed by Hugo de Vries ?

Total number of autosomes in fertilized egg of human being is

The theory of evolution which proposes "Law of use and disuse" is known as

To which era does the Jurassic period belong?

Which protein helps in opening of DNA double helix in front of replication fork ?

In which era did the first vertebrates appear?

A connecting link between Protozoa and Porifera is :

If a fertilized egg of plant has 40 chromosomes, the number of chromosome present in the pollen mother cells is