Animal Breeding and Transgenic Animal – Section 1

1. Some types of variation are due to changes in the genetic material. What is this type of change called?

A. Fertilisation
B. Mutation
C. Radiation
D. Sterilisation

Correct Answer: B. Mutation

2. Which of the following is the process of choosing parent organisms for the characteristics that is wanted in their offspring?

A. Active selection
B. Reproductive selection
C. Selective breeding
D. Breeding selection

Correct Answer: C. Selective breeding

3. Which protein has been produced generating a transgenic sheep that is used for replacement therapy for individuals at risk from emphysema?

A. Plasminogen activator (tPA)
B. α-anti trypsin (AAT)
C. Casein
D. Amyloid precursor proteins

Correct Answer: B. α-anti trypsin (AAT)

4. Which of the following is the word used to describe what happens when the nucleus of a sperm joins with the nucleus of an egg cell?

A. Sex
B. Fertilization
C. Intercourse
D. Reproduction

Correct Answer: B. Fertilization

5. DNA into fish is injected into

A. pronuclei
B. cytoplasm
C. both (a) and (b)
D. none of these

Correct Answer: B. cytoplasm

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