Topic: Animal Genetics & Breeding

The system of mating in which 3 breeds are crossed in a rotational manner is:

The 2N−2 condition of chromosomes reflects which type of chromosomal abnormality?

The system of mating in which 2 breeds are crossed alternatively is called:

The 2N−N condition of chromosomes reflects which type of chromosomal abnormality?

In which phase of the cell cycle does DNA replication take place?

Which of the following is/are true about progeny testing?

Genetic correlation between traits is due to:

Permanent genetic correlation between two traits is due to:

Match the column: TABLE-I TABLE-II 1) Euploidy a) 2N+N 2) Aneuploidy b) 2N-N 3) Monosomy c) 2N-2 4) Nullisomy d) 2N-1 5) Monoploidy e) Change in no. of chromosomes in a set 6) Triploidy f) Change in no. of sets of chromosomes

Match the column: TABLE-I TABLE-II 1) Non-sense mutation a) Any insertion or deletion NOT evenly divisible by 3 2) Silent mutation b) Any insertion or deletion evenly divisible by 3 3) Mis-sense mutation c) Substitution of one amino acid by another 4) In-frame mutation d) Codes for same amino acid; no visible phenotypic change 5) … Read more