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 |
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 |
Question 103
Question MCQ▾
Study the pedigree chart given below
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 |
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 |