Genetics and Evolution [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology]: Questions 101 - 104 of 282

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Question 101

Question MCQ▾

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 parents are heterozygous for albinism

b.

Father is homozygous for albinism but mother is heterozygous

c.

male and female are homozygous

d.

Father is homozygous normal and mother is heterozygous

Edit

Question 102

Question MCQ▾

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

Choices

Choice (4)Response

a.

Operator gene

b.

Structural gene

c.

Promotor gene

d.

Regulator gene

Edit

Question 103

Question MCQ▾

Study the pedigree chart given below

Pedigree Chart Example

Choices

Choice (4)Response

a.

Inheritance of a condition like phenylketonuria as an autosomal recessive trait

b.

Inheritance of a recessive sex-linked disease like haemophilia

c.

The pedigree chart is wrong as this is not possible

d.

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

Edit

Question 104

Question MCQ▾

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.

All albino

b.

1 normal: 1 albino

c.

All normal

d.

2 normal: 1 Albino

Edit