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Genetics
Test Description: Standard 4.5-4.10
Instructions: Answer all questions to get your test result.
1) If 2 genes are on same chromosome and rarely assort independently then
A
they are crossing over
B
they are loacated far from each other
C
nondisjunction is taking place
D
they are probably located close to each other
2) Meiosis produces
A
2 genetically different cells
B
4 genetically identical cells
C
2 genetically identical cells
D
4 genetically different cells
3) Human females procue egg cells that have
A
one Y chromosome
B
one X and one Y chromosome
C
two X chromosomes
D
one X chromosome
4) Some alleles are dominant and some are recessive is the principle of
A
dominance
B
segragation
C
independent assortment
D
codominance
5) A punnent square shows
A
the phenotypes of the offspring
B
what the offspring will be
C
all possible results of a genetic cross
6) The possibility that human offspring will be female
A
50
B
100
C
25
D
75
7) In a pedigree chart a female is represented by a
A
dash
B
line
C
circle
D
square
8) n a pedigree chart a male is represented by a
A
line
B
square
C
dash
D
circle
9) n a pedigree chart a male carrying a trait is represented by a
A
shaded circle
B
shaded square
C
square
D
circle
10) In a pedigree chart marriage is shown by a
A
dash
B
vertical line
C
horizantel line
D
shading
*select an answer for all questions
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