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Genetics the Science of Heredity


13. 

The genetic material in a cell is

Answer : A. DNA

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14. 

Name the animal which is used in the study of genetics.

Answer : A. Friut fly

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15. 

The theory of 'jumping genes' was propounded by

Answer : C. Barbara McClintock

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16. 

If a mouse of over eight times its normal size has been produced by introducing human growth hormone gene, the technique involved is called

Answer : B. Genetic engineering

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17. 

Given below are two statements, one labelled as Assertion(A) and the other labelled as Reason( R).
Assertion(A) : A lock of Einstein's hair, if scientists could locate it and extract its DNA, could help in producing another Einstein by cloning
Reason( R): The DNA extracted from the cell of an embryo at an early state of development, can be transferred to individual eggs which in turn can be implanted into the uterus of a surrogate mother to give birth to an identical off pring. In the context of the above two statements,
which one of the following is correct?

Answer : C. A is true but R is false

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18. 

The grafting done between two genating identical talins is called

Answer : B. Isograft

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