Science 9 - Biology Unit - Topic 4 Review Question Preview (ID: 43758)
Topic 4 Review.
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What is hair color - discrete or continuous?
a) Discrete
b) Continuous
c) Neither
d)
What is the nature vs. nurture debate?
a) The debate around what characteristics of a person are from nature (their environment) or from nurture (born with).
b) The debate around what characteristics of a person are from nature (born with) or from nurture (their environment).
c)
d)
What is a mutagen?
a) A chemical causing changes in DNA.
b) A chemical.
c) The environment.
d) None of the above.
What is eye color - discrete or continuous?
a) Discrete
b) Continuous
c) Neither
d)
Are all mutations of DNA from the environment?
a) Yes
b) No
c) It can be from various things.
d)
What is an example of a discrete variation?
a) Tongue Rolling
b) Height
c) Nose Shape
d) Age
What is an example of a continuous variation?
a) Tongue Rolling
b) Height
c) Nose Shape
d) Age
What is a mutation?
a) Changes in DNA.
b) Changes in DNA by mutagens.
c) Changes in DNA by only the environment.
d) Changes in DNA by the environment or mutagens.
What is the difference between discrete and continuous variation?
a) Discrete has only direct options, whereas continuous can be a range.
b) Discrete can be a range, whereas continuous only has a few options.
c)
d)
What is a dominant characteristic?
a) The characteristic that is never expressed.
b) The characteristic that is always expressed.
c) The characteristic that is expressed if it is present as an allele.
d) The most popular characteristic.
Which of the following genotypes are homozygous recessive?
a) pp
b) PP
c) Pp
d) None of the above.
Which of the following genotypes are an example of homozygous dominant?
a) Dd
b) dd
c) DD
d) None of the above.
Which genotype is an example of heterozygous?
a) qq
b) Qq
c) QQ
d) None of the above.
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