Genetics Practice Test Worksheets Page 4
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349.
Base your answer(s) to the following
10.
Steps in a reproductive process used to
question(s) on the information and diagram
produce a sheep with certain traits are listed
below and on your knowledge of biology.
below.
The four wells represented in
Step 1— The nucleus was removed from an
the diagram were each injected
unfertilized egg taken from sheep A.
with fragments that were prepared
Step 2—The nucleus of a body cell taken
from DNA samples using identical
from sheep B was then inserted into this
techniques.
unfertilized egg from sheep A.
Step 3—The resulting cell was then
implanted into the uterus of sheep C.
Step 4—Sheep C gave birth to sheep D.
Which sheep would be most genetically
similar to sheep D?
(1) sheep A, only
This laboratory procedure is known as
(2) sheep B, only
(1) cloning
(3) both sheep A and B
(2) gel electrophoresis
(4) both sheep A and C
(3) chromatography
(4) use of a dichotomous key
11.
Which two structures of a frog would most
likely have the same chromosome number?
(1) skin cell and fertilized egg cell
(2) zygote and sperm cell
(3) kidney cell and egg cell
(4) liver cell and sperm cell
page 4
GENETICS UNIT PRACTICE TEST
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