Genetics and Evolution (NEET Biology): Questions 100 - 104 of 165

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Question number: 100

» Genetics and Evolution » Heredity and Variation » Chromosomes and Genes

MCQ▾

Question

In Drosophila a set of homeiotic genes which controls body plan at the time of organ differentiation known as

Choices

Choice (4) Response

a.

pribnow box

b.

TATA-box

c.

Homeobox

d.

None of the above

Question number: 101

» Genetics and Evolution » Heredity and Variation » Sex Linked Inheritance-Hemophilia, Color Blindness

MCQ▾

Question

Albinism is determined by a recessive gene in man. The presence of albinism in 50 % children born to a couple proves that

Choices

Choice (4) Response

a.

male and female are homozygous

b.

Father is homozygous normal and mother is heterozygous

c.

Father is homozygous for albinism but mother is heterozygous

d.

male and female parents are heterozygous for albinism

Question number: 102

» Genetics and Evolution » Heredity and Variation » Chromosomes and Genes

MCQ▾

Question

Gene which is responsible for the synthesis of a polypeptide chain is called

Choices

Choice (4) Response

a.

Structural gene

b.

Regulator gene

c.

Operator gene

d.

Promotor gene

Question number: 103

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

Study the pedigree chart given below

Pedigree chart example

Pedigree Chart Example

Pedigree chart given for phenylketonuria

Choices

Choice (4) Response

a.

Inheritance of a recessive sex-linked disease like haemophilia

b.

Inheritance of a sex-lined inborn error of metabolism like phenylketonuria

c.

The pedigree chart is wrong as this is not possible

d.

Inheritance of a condition like phenylketonuria as an autosomal recessive trait

Question number: 104

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

A normal woman whose father was albino, marries an albino man, what proportion of normal and albino are expected among their offsprings (AIPMT)

Choices

Choice (4) Response

a.

1 normal: 1 albino

b.

All albino

c.

2 normal: 1 Albino

d.

All normal

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