Archives: Questions

If the coefficient of selection (S) is 0.1, then the fitness (F) of that genotype is:

Match the column — Mutations and their definitions: TABLE-I      TABLE-II1. Non-sense mutation    a. Any insertion or deletion not evenly divisible by 32. Silent mutation    b. Any insertion or deletion evenly divisible by 33. Mis-sense mutation    c. Substitution of one amino acid by another4. In-frame mutation    d. Codes for same amino … Read more

The 2N – 2 condition of chromosomes reflects:

In a multiple allelic system with 3 alleles (A₁, A₂, A₃), if frequency of A₁ = 0.25 and frequency of A₂ = 0.35, what is the frequency of A₃?

What are the assumptions of Hardy-Weinberg equilibrium?

The value of inbreeding coefficient (Fx) is always ________ of coefficient of relationship (Rxy).

Heritability in the narrow sense (h²ₙ) compared to broad sense heritability (H²ᴮ) is always:

Heterosis and specific combining ability (SCA) are both caused by:

Match the column — Types of crossing and their definitions: TABLE-I      TABLE-II1. In crossing    a. Mating between unrelated animals of the same breed2. In cross-breeding    b. Mating of purebred (inbred) males with unrelated females3. Out-crossing    c. Crossing of two different inbred lines of the same breed4. Top-crossing    d. Crossing of … Read more

Match the column — Genetic concepts and their associations: TABLE-I      TABLE-II1. Pleiotropy    a. Increases heterozygosity2. Linkage    b. Increases homozygosity3. Inbreeding    c. Random mating4. Outbreeding    d. Transient cause of genetic correlation5. Panmixia    e. Permanent cause of genetic correlation