Gauri hurts her hand in an accident and two fingers had to be cut off. Her child is born with all the fingers on his hand. What conclusion can you draw from this?

Select the correct alternative from those given below each statement and write the completed statement:

In Mendel’s breeding crosses, F₂ generation was produced through _____.

Select the correct alternative from those given below each statement and write the completed statement:

In some animals like snails, sex determination is regulated by _____.

Answer the following:

Why do all gametes formed in females have only X chromosomes?

Answer the following:

Which process can be illustrated by the example of the evolution of broccoli from wild cabbage?

Answer the following:

 What will be the ratio in F₂ generation in Mendel's dihybrid cross?

Answer the following:

Name:

The sex chromosome boys inherit from their father.