Genetics and Evolution (NEET Biology): Questions 23 - 28 of 184

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Question number: 23

» Genetics and Evolution » Molecular Basis of Inheritance » DNA Replication

MCQ▾

Question

The point mutations A to G, C to T, C to G and T to A in DNA are

Choices

Choice (4) Response

a.

Transition, transition, transversion and transversion respectively.

b.

Transition, transversion, transition and transversion respectively.

c.

Transversion, transversion, transition and transition respectively.

d.

All four are transition.

Question number: 24

» Genetics and Evolution » Heredity and Variation » Chromosomal Disorders in Humans

MCQ▾

Question

Phenylketonuria is a genetic disorder of

Choices

Choice (4) Response

a.

Autosomal dominant gene

b.

Trisomic condition

c.

Autosomal recessive gene

d.

Monosomic condition

Question number: 25

» Genetics and Evolution » Heredity and Variation » Down's Syndrome, Turner's and Klinefelter's Syndromes

MCQ▾

Question

What would be the number of chromosomes in the ovum (fertilized by a normal sperm) that resulted in the appearance of Klinefelter’s syndrome in the offspring?

Choices

Choice (4) Response

a.

24

b.

22

c.

23

d.

21

Question number: 26

» Genetics and Evolution » Molecular Basis of Inheritance » Translation

MCQ▾

Question

Which one the following mRNA can be translated completely?

Choices

Choice (4) Response

a.

AUG UUC UCC UGG UAA UAU

b.

AUG UUC UCC UGA UGG UAU

c.

AUC ACG UAU UUC UGA CUC

d.

AUG UAU UUC UGC CUC UAG

Question number: 27

» Genetics and Evolution » Heredity and Variation » Down's Syndrome, Turner's and Klinefelter's Syndromes

MCQ▾

Question

Mongolism syndrome is caused by

Choices

Choice (4) Response

a.

One extra chromosome.

b.

One extra sex chromosome.

c.

One extra chromosome in 21st pair.

d.

One less sex chromosome.

Question number: 28

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

Which of the following Mendel has selected for his experiment?

Choices

Choice (4) Response

a.

Pigeon pea

b.

Moong

c.

Sweet pea

d.

Garden pea

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