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Punnett Squares
Test Description: FUND genetics
Instructions: Answer all questions to get your test result.
1) In pea plants, tallness is dominant over shortness. If 50% of the offspring are short, what must be the genotypes of the parents?
A
Ttxtt
B
ttxtt
C
TTxTT
D
TtxTt
2) Make a punnett square for RrxRr. What percent of the offspring will have the genotype rr?
A
75%
B
50%
C
25%
D
100%
3) Which of these is heterozygous?
A
TT
B
Gg
C
zz
D
SS
4) Which of these is homozygous recessive?
A
TT
B
rr
C
Zz
D
Tt
5) Bad body odor (B) is dominant over no body odor. (b). Which of these have the same phenotype but different genotypes?
A
Homozygous smelly and homozygous nonsmelly
B
Anahoor and her boyfriend
C
heterozygous smelly and heterozygous smelly
D
Homozygous smelly and heterozygous smelly
6) Sasha Payne-Diaz has a dominant trait for ANNOYING (AA). If she marries Heywood Jabuzzoff who is cool, what % of their kids will be cool?
A
25%
B
100%
C
0%
D
75%
7) Nadia Belimi is heterozygous dominant for liar (L). What are the chances she could have kids that are NOT liars if she marries Noah Dinlie who is ll?
A
25%
B
100%
C
50%
D
0%
8) What happens if Mrs. Goodrich spills water on her laptop?
A
yelling
B
shenotype
C
swearing
D
none of the above
9) uuu
A
u
10) uu
A
u
B
u
*select an answer for all questions
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