Genetics and Evolution-Heredity and Variation (NEET Biology): Questions 49 - 54 of 67

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Question number: 49

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

While experimenting with the factor of tallness in Pisum satinum, Mendel obtained the results 73.97 % tall and 26.03 % dwarf from one of the cross. This shows that the parents are

Choices

Choice (4) Response

a.

Hybrid and hybrid tall plant.

b.

Hybrid tall and pure dwarf plant.

c.

Pure tall and pure dwarf plant.

d.

Hybrid tall and pure tall plant.

Question number: 50

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

In F2 generation, a phenotypic ratio of 1: 1: 1: 1 exhibits

Choices

Choice (4) Response

a.

Back cross

b.

Monohybrid test cross

c.

Lethality

d.

Dihybrid test cross

Question number: 51

» Genetics and Evolution » Heredity and Variation » Linkage and Crossing Over

MCQ▾

Question

The percentage of crossing over will be more if

Choices

Choice (4) Response

a.

Linked genes are located far apart from each other

b.

Linked genes are located close to each other

c.

Genes are not linked

d.

Genes are located in a different cell

Question number: 52

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

Appeared in Year: 2003

MCQ▾

Question

Jumping genes are found in (MP PMT)

Choices

Choice (4) Response

a.

eukaryotes and prokaryotes

b.

eukaryotes

c.

bacteriophage

d.

bacteria

Question number: 53

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

Appeared in Year: 2003

MCQ▾

Question

The genes that keeps on changing-their location on chromosomes are known as (MP PMT)

Choices

Choice (4) Response

a.

Duplicate genes

b.

Split genes

c.

Jumping genes

d.

Lethal genes

Question number: 54

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

Appeared in Year: 2003

MCQ▾

Question

Polydactyly in man is due to (MP PMT)

Choices

Choice (4) Response

a.

sex - linked recessive gene

b.

autosomal recessive gene

c.

autosomal dominant gene

d.

sex - linked dominant gene

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