How many different kinds of gametes will be produced by a plant having the genotype AABbCC?

(a)

Three

(b)

Four

(c)

Nine

(d)

Two

In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seed plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in F₁ generation?

(a)

9:1

(b)

1:3

(c)

3:1

(d)

50:50

The genotype of a plant showing the dominant phenotype can be determined by _____.

(a)

Back cross

(b)

Test cross

(c)

Dihybrid corss

(d)

Pedigree analysis

Fruit colour in squash is an example of ______.

(a)

Recessive epistatsis

(b)

Dominant epistasis

(c)

Complementary genes

(d)

Inhibitory genes

The genes controlling the seven pea characters studied by Mendel are known to be located on how many different chromosomes?

(a)

Seven

(b)

Six

(c)

Five

(d)

Four

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 ______.

(a)

Dominance

(b)

Inheritance

(c)

Codominance

(d)

Heredity

The term 'Genetics' was introduced by__________

(a)

Gregor Mendel

(b)

W. Bateson

(c)

Hugo de Vries

(d)

Carl Correns

Seed shape

(1)

9:3:4

Pod shape

(2)

15:1

Supplementary genes

(3)

Grain color in maize

Duplicate genes

(4)

Round / wrinkled

Supplementary genes

(5)

Seed capsule in xxxxx

Duplicate genes

(6)

Inflated / Constricted

Name the seven contrasting traits of Mendel.

Give the names of the scientists who rediscovered Mendelism

What is back cross?

Define Genetics.

Explain Heredity and variations

Name any two extranuclear lnheritance.

What are multiple alleles?

Explain the law of dominance in monohybrid cross.

Differentiate incomplete dominance and codominance.

State the law of segregation.

Write a short notes on Atavism.

Describe dominant epistasis with an example. 

Differentiate continuous variation with discontinuous variation.