variation

Question 1

phenotype

Answer 1

appearance of an organism

Question 2

what are differences within a species called and give two examples

Answer 2

variation - height, build, hair colour

Question 3

what is generic variation

Answer 3

the genetic material you inherit from parents

Question 4

environmental variation

Answer 4

the environment in which you live in

Question 5

what is one characteristic that can be both environmental and genetic

Answer 5

height
if genetics are like that, they you are tall
if diet is poor, you may not grow to that height

Question 6

which are the few characteristics caused by genetic variation alone?

Answer 6

eye colour, blood group, genetic disability

Question 7

what is discontinuous variation?

Answer 7

individuals display a characteristic that falls into distinct groups. example is blood group

Question 8

what is continuous variation?

Answer 8

a characteristic can be any value between minimum and maximum. example is adult height

Question 9

compare discontinuous and continuous variation

Answer 9

• C is caused by genetic and environmental, D is caused by only genetic
• C has a genetic control on multiple genes , D has control on one gene
• C uses a histogram, D uses a bar chart