exam q's

Question 1

what is a somatic cell

Answer 1

any of the body cells except the reproductive cells

Question 2

what is an autosome ?

Answer 2

any chromosome that is not a sex chromosome

Question 3

how many genes are approximately in the human genome?

Answer 3

25,000

Question 4

what is a PCR reaction

Answer 4

Polymerase chain reaction

Question 5

what component is essential in a PCR reaction

Answer 5

Thermotolerant polymerase

Question 6

when was the structure of DNA published?

Answer 6

1953

Question 7

what is a population?

Answer 7

a localized group of individuals belonging to the same species

Question 8

what genus does the yew tree belong to?

Answer 8

Taxus

Question 9

what was Norman Borlaug best known for?

Answer 9

green revolution

Question 10

what is turners syndrome

Answer 10

Occurs in females when one of the x chromosomes is missing

Question 10

Patau syndrome occurs when an extra copy of what chromosome is inherited?

Answer 10

13

Question 11

what is Klinefelter syndrome ?

Answer 11

when a boy is born with an extra copy of an X chromosome