Genetics and Evolution-Heredity and Variation (NEET Biology): Questions 1 - 6 of 74

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Question number: 1

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

If an offspring shows any one of the characters of either of parents, the

Choices

Choice (4) Response

a.

The character is related with cytoplasm.

b.

Character is said to be hereditary.

c.

Offspring is hereditary.

d.

Question does not provide sufficient data or is vague

Question number: 2

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

MCQ▾

Question

The monosomic condition in human beings depicted as XO is referred to as

Choices

Choice (4) Response

a.

Turner’s syndrome

b.

Down’s syndrome

c.

Klinefelter’s syndrome

d.

Criminal syndrome

Question number: 3

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

Organisms phenotypically similar but genotypically different are said to be

Choices

Choice (4) Response

a.

Heterozygous

b.

Monozygous

c.

Multizygous

d.

Homozygous

Question number: 4

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

MCQ▾

Question

In man, which of the following genotypes and phenotypes may be the correct result of aneuploidy in sex chromosomes

Choices

Choice (4) Response

a.

22 pairs + XX females

b.

22 pairs + XXXY females

c.

22 pairs + Y females

d.

22 pairs + XXY males

Question number: 5

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

If in a dihybrid cross Mendel had used two such characters which are linked, he would have faced difficulty in explaining the results on the basis of his

Choices

Choice (4) Response

a.

Law of multiple factor hypothesis.

b.

Law of dominance.

c.

Law of independent assortment.

d.

Law of segregation.

Question number: 6

» Genetics and Evolution » Heredity and Variation » Incomplete Dominance

MCQ▾

Question

Pure tall plants are crossed with pure dwarf plants. In the F1 generation all plants were tall. These tall plants of F1 generation were selfed and the ratio of tall to dwarf plants obtained was 3: 1. This is called

Choices

Choice (4) Response

a.

Inheritance

b.

Co-dominance

c.

Heredity

d.

Dominance

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