ICAR-AIEEA-JRF Practice Quiz

Question 1

In pea plants, tall stem (T) is dominant over dwarf stem (t). When two heterozygous tall plants are crossed, what proportion of dwarf offspring is expected?

Accepted Answer

1/4

Question 2

Which Mendelian law is best illustrated by the separation of the two alleles of a gene during gamete formation?

Accepted Answer

Law of segregation

Question 3

A dihybrid F1 plant produces four types of gametes in equal frequency. Which statement best explains this Mendelian outcome?

Accepted Answer

Each allele pair segregates independently during gamete formation

Question 4

In a selfed dihybrid cross AaBb × AaBb, what is the probability that an offspring showing both dominant phenotypes is heterozygous for both genes?

Accepted Answer

4/9

Question 5

In a dihybrid cross AaBb × AaBb, assuming independent assortment and complete dominance, what proportion of offspring will be homozygous recessive for both traits?

Accepted Answer

1/16

Discipline-Specific (PhD JRF)