Genetics Practice Test Worksheets Page 26
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3472. Base your answer(s) to the following
73. Base your answer(s) to the following
question(s) on the information below and on
qusetion(s) on the statement below and on
your knowledge of biology.
your knowledge of biology.
Female mosquitoes spread
Scientists have found a gene in
diseases when they bite humans to
the DNA of a certain plant that could
obtain blood. It is only the females
be the key to increasing the amount of
that do the biting. Research is being
lycopene, a cancer ghting substance, in
conducted to alter the DNA of male
tomatoes.
mosquitoes. These altered males
The process of inserting this gene into the
could then mate with normal female
DNA of a tomato plant is known as
mosquitoes. All of the resulting female
o spring would have wing defects that
prevent them from ying.
(1) selective breeding
The method used to alter the male
(2) genetic engineering
mosquitoes is an example of an application
of
(3) cloning
(4) replication
(1) a feedback mechanism
(2) selective breeding
(3) biotechnology
(4) physiology
74.
A scientist claimed that he had cloned a
guinea pig to produce two o spring, a male
and a female. The claim is not valid because
(1) guinea pigs can reproduce both sexually
and asexually
(2) the two o spring are not identical
copies of the original guinea pig
(3) each of the o spring had half the
genetic information of the original
guinea pig
(4) none of the genetic information came
from the original guinea pig
page 26
GENETICS UNIT PRACTICE TEST
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