In order to find out the different types of gametes produced by a pea plant having the genotype AaBb, it should be crossed to a plant with the genotype _____.

(a)

aaBB

(b)

AaBB

(c)

AABB

(d)

aabb

Test cross involves ____.

(a)

Crossing between two genotypes with recessive trait

(b)

Crossing between two F₁ hybrids

(c)

Crossing the F₁ hybrid with a double recessive genotype

(d)

Crossing between two genotypes with dominant trait

Which Mendelian idea is depicted by a cross in which the F₁ generation resembles both the parents.

(a)

Incomplete dominance

(b)

Law of dominance

(c)

Inheritance of one gene

(d)

Co-dominance

In his classic experiments on Pea plants, Mendel did not use ______.

(a)

Flowering position

(b)

Seed colour

(c)

Pod length

(d)

Seed shape

In a test cross involving F₁ dihybrid flies, more parental type offspring were produced than the recombination type offspring. This indicates ______.

(a)

The two genes are located on two different chromosomes

(b)

Chromosomes failed to separate during meiosis

(c)

The two genes are linked and present on the some chromosome

(d)

Both of the characters are controlled by more than one gene

Which is not a correct statement?
(A) Variations are the raw materials for evolution
(B) Variations provide genetic material for natural selection
(C) It helps the individual to adapt to the changing environment
(D) Variations allow breeders to improve the crop field

(a)

A and D

(b)

B only

(c)

C and D

(d)

none of he above

Gregor Mendel ___________
(i) was born in Czechoslovakia
(ii) did his experiments in Pisum fulvum
(iii) was the first systemic researcher in genetics
(iv) Published his results in the paper "Experiments on Plant Hybrids"

(a)

All are correct

(b)

(ii), (iii), (iv) are correct

(c)

(i), (iii),(iv) are correct

(d)

(i), (iii), (iv) are correct

In an intergenic interaction, the gene that suppresses the pherotype of a gene is said to be ___________

(a)

Dominant

(b)

Inhibitory

(c)

Epistatic

(d)

Hypostatic

Assertion (A): Cytoplasmic male sterility is a Mendelian inheritance
Reason (R): The genes for cytoplasmic male sterility in peal maize is located at mitochondrial DNA

(a)

A and R are correct R explains A

(b)

A and R are incorrect

(c)

A is correct R is incorrect

(d)

A is incorrect R is correct

According to Mendel, which is not a dominant trait?

(a)

Wrinkled seeds

(b)

Purple flower

(c)

Inflated pod form

(d)

Axial flower portion