Define continuous variation with example.

Important Questions on Mechanism of Evolution

MEDIUM

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

The movement of a gene from one linkage group to another is called:

EASY

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

The mechanism that causes a gene to move from one linkage group to another is called:

MEDIUM

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

Haemophilia is more commonly seen in human males than in human females because:

EASY

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

_____ variation has two phenotypes.

EASY

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

Chromosomal deletion is a type of _____ where a part of DNA sequence is left out during the process of DNA replication.

MEDIUM

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

Albinism is known to be due to an autosomal recessive mutation. The first child of a couple with normal skin pigmentation was an albino. What is the probability that their second child will also be an albino?

MEDIUM

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

In tetrasomic condition number of human chromosome will be _____.

EASY

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

Point mutation involves:

MEDIUM

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

When a fragment of chromosome rejoins in reverse orientation, the mutation is called _____ mutation.

MEDIUM

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

Nullisomy is caused due to _____ during meiosis.

EASY

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

Gene _____ produces variation.

HARD

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

The idea of mutations was brought forth by which scientist and he worked on which plant?

MEDIUM

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

The formation of multivalents at meiosis in a diploid organism is due to 

EASY

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

Theory of De Vries is known as theory _____.

EASY

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

Which of the following is called Mendelian mutation?

EASY

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

2n- 1-1 chromosomal condition is known as _____.

MEDIUM

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

Which one of the following is a wrong statement regarding mutations ?

EASY

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

_____ syndrome is caused by a deletion of chromosome $5p$ where babies cries with high-pitched tone.

EASY

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

_____ is the degree of differences between parents and offspring. (Variation/ Mutation)

MEDIUM

Biology>Genetics and Evolution>Mechanism of Evolution>Variation, Mutation and Recombination

Mutation is a change in a gene or _____.