Topic: Animal Refresher

The coefficients of relationship of progenies produced by parent-offspring mating, full-sib mating, and half-sib mating are respectively:

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?

In DNA, the replacement of one purine by another purine is known as:

Match the column: TABLE-I TABLE-II 1) Transition a) Direct uptake and incorporation of exogenous genetic material in bacterial cell 2) Transversion b) Transfer of DNA from one bacterium to another by bacteriophage 3) Transduction c) Genetic exchange between two living bacteria by direct contact 4) Conjugation d) Replacement of a purine by pyrimidine base 5) … Read more

Milk yield and fat yield in dairy animals, and egg size and egg weight in poultry are ________ traits.