Animal Genetics and Breeding MCQs

1. Who is known as the “Father of Genetics”?

A) Charles Darwin
B) Gregor Mendel
C) Watson and Crick
D) Robert Hooke

Answer: B) Gregor Mendel

2. What is the basic unit of heredity?

A) Chromosome
B) Gene
C) DNA
D) RNA

Answer: B) Gene

3. Which type of inheritance involves a single gene controlling a trait?

A) Polygenic inheritance
B) Monogenic inheritance
C) Epistasis
D) Pleiotropy

Answer: B) Monogenic inheritance

4. What is the term for different forms of a gene?

A) Chromatids
B) Loci
C) Alleles
D) Genotypes

Answer: C) Alleles

5. Which of the following is an example of a qualitative trait in animals?

A) Milk yield
B) Body weight
C) Coat color
D) Growth rate

Answer: C) Coat color

6. What is the primary goal of animal breeding?

A) To maintain genetic purity
B) To improve desirable traits
C) To increase genetic mutations
D) To decrease genetic variation

Answer: B) To improve desirable traits

7. What is the term for mating between individuals that are closely related?

A) Hybridization
B) Crossbreeding
C) Inbreeding
D) Outbreeding

Answer: C) Inbreeding

8. Which of the following is an advantage of crossbreeding in animals?

A) Increased inbreeding depression
B) Loss of genetic diversity
C) Hybrid vigor (heterosis)
D) Decreased fertility

Answer: C) Hybrid vigor (heterosis)

9. What is the process of transferring genes from one species to another called?

A) Selective breeding
B) Genetic drift
C) Genetic engineering
D) Natural selection

Answer: C) Genetic engineering

10. What is the role of artificial insemination in animal breeding?

A) To prevent reproduction
B) To improve genetic traits
C) To increase inbreeding
D) To reduce livestock population

Answer: B) To improve genetic traits