Genetics and Evolution-Heredity and Variation (AIIMS Biology): Questions 1 - 5 of 17

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Question number: 1

» Genetics and Evolution » Heredity and Variation » Incomplete Dominance

Appeared in Year: 2000

MCQ▾

Question

In F2 generation of monohybrid cross the cause of 1: 2: 1 phenotypic ratio is

Choices

Choice (4) Response

a.

Inhibition

b.

Incomplete dominance

c.

Epistasis

d.

Quantitative inheritance

Question number: 2

» Genetics and Evolution » Heredity and Variation » Multiple Alleles and Inheritance of Blood Groups

Appeared in Year: 2013

MCQ▾

Question

Which of the following is best describe polygenic inheritance?

Choices

Choice (4) Response

a.

ABO blood group in human and flower color of mirabilis Jalapa

b.

Human eye color and sickle cell anemia

c.

Hair pigment of mouse and tongue rolling humans

d.

Human height and color of skin and eyes

Question number: 3

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

Appeared in Year: 2004

MCQ▾

Question

How many different types of gametes can be formed by F1 progeny, resulting from the following cross: AA BB CC x aa bb cc

Choices

Choice (4) Response

a.

8

b.

3

c.

27

d.

64

Question number: 4

» Genetics and Evolution » Heredity and Variation » Mutation and Recombination

Appeared in Year: 2002

MCQ▾

Question

A point mutation comprising the substitution of purine by pyrimidine is called:

Choices

Choice (4) Response

a.

Translocation

b.

Deletion

c.

Transition

d.

Transversion

Question number: 5

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

Appeared in Year: 2012

MCQ▾

Question

If two pea plants having red (dominant) colored flowers with unknown genotype are crossed, 75 % of the flowers are red and 25 % are white. The genotype constitution of the parents having red color flower will be

Choices

Choice (4) Response

a.

two pea plants homozygous

b.

two pea plant hemizygous

c.

One homozygous one heterozygous

d.

Two pea plants heterozygous

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