Define test cross and explain its significance.

Important Questions on Inheritance and Variation

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 3 - Inheritance and Variation>Exercise>Q 5

What is parthenogenesis? Explain the haplo-diploid method of sex determination in Honey bee.

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 3 - Inheritance and Variation>Exercise>Q 5

In the answer for inheritance of X-linked genes, Madhav had shown carrier male. His answer was marked incorrect. Madhav was wondering why his marks were cut. Explain the reason.

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 3 - Inheritance and Variation>Exercise>Q 5

With the help of neat labelled diagram, describe the structure of chromosome.

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 3 - Inheritance and Variation>Exercise>Q 5

What is cris-cross inheritance? Explain with suitable example.

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 3 - Inheritance and Variation>Exercise>Q 5

Describe the different types of choromosomes.