Question

In polygenic inheritance trait which controlled by three pairs of genes. Two individuals which are heterozygous for three alleles, crossed each other. Such type of cross produced phenotypic ratio in what ratio

A. 1 : 2 : 1

B. 9 : 3 : 3 : 1

C. 1 : 4 : 6 : 4 : 1

D. 1 : 6 : 15 : 20 : 15 : 6 : 1

Answer : 1 : 6 : 15 : 20 : 15 : 6 : 1

Releted MCQ Question on
Botany >> Principles of Inheritance and Variation

Releted Question 1

Experimental verification of the chromosomal theory of inheritance was done by

A. Sutton

B. Boveri

C. Morgan

D. Mendel

Releted Question 2

Embryological support for evolution was disapproved by

A. Alfred Wallace

B. Charles Darwin

C. Oparin

D. Karl Ernst von Baer

Releted Question 3

The production of gametes by the parents, the formation of zygotes, the $${F_1}$$ and $${F_2}$$ plants, can be understood using

A. Wenn diagram

B. Pie diagram

C. A pyramid diagram

D. Punnet square

Releted Question 4

In a marriage between male with blood group $$A$$ and female with blood group $$B,$$ the progeny had either blood group $$AB$$ or $$B.$$ What could be the possible genotype of parents?

A. IA i (Male) ; IB i (Female)

B. IA i (Male) ; IB IB (Female)

C. IA IA (Male) ; IB IB (Female)

D. IA IA (Male) ; IB i (Female)

Practice More Releted MCQ Question on
Principles of Inheritance and Variation

Practice More MCQ Question on Biology Section

Zoology Animal Kingdom Structural Organisation in Animals Biomolecules Digestion and Absorption Breathing and Exchange of Gases Body Fluids and Circulation Excretory Products and Their Elimination Locomotion and Movement Neural Control and Coordination Chemical Coordination and Integration Human Reproduction Reproductive Health Evolution Human Health and Diseases Biotechnology: Principles and Processes Biotechnology and its Applications Zoology Miscellaneous