A new born has an XX pair of chromosomes. What is the sex of the new born baby?

2

(a)

What will be the colour of the hair of a person if he inherits a gene for red hair from his mother and a gene for black hair from his father provided the gene for red hair is recessive to the gene for black hair?

2

(a)

What is the genotype of dwarf plants whose parental cross always produced tall offspring?

2

(a)

In F₂ generation, progeny having different traits are produced in the ratio of 3 : 1. Is it a monohybrid cross or dihybrid cross?

2

(a)

If a normal human cell has 46 chromosomes, then how many chromosomes will be there in a human zygote?

2

(a)