Part 4: Answer each of the following questions. You must include a Punnett square to support each answer!! 18. In fruit flies, brown bodies (B) are dominant to black bodies (b) Cross a black fruit fly with a heterozygous fruit fly. Determine the phenotypic and genotypic ratios of their potential offspring. B Brown B Black B bbbbb 3 Bb. 19. In humans, dimples (D) are dominant to no dimples (d). Cross a woman who is homozygous dominant with a man who is homozygous recessive. Determine the phenotypic and genotypic ratios of their potential offspring. Same Dd x dd dd:Dd: DD 220 dd Bb X bb Bb: bb: BB 2 1 dd Non-dimples dimples. 2 : 2 d Dd d Dd 20. In tomatoes, red fruit (R) is dominant to yellow fruit (r). Cross a homozygous dominant fruit with a heterozygous fruit. What percentage of their offspring will have yellow fruit? R R RR x Rr R RR RR RR: Rr:rr 2 20 Red Fruit Yellow frut 3 2 r/ Rr Rr 21. In pea plants, tall plants are dominant to dwarf plants. Two heterozygous plants are crossed. If they have 80 offspring, how many plants should be dwarf sized? How many will be tall? Give a number,

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Part 4: Answer each of the following questions. You must include a Punnett square to support each answer!!
18. In fruit flies, brown bodies (B) are dominant to black bodies (b) Cross a black fruit fly with a
heterozygous fruit fly. Determine the phenotypic and genotypic ratios of their potential offspring.
"B b
Brown B
Black B
bb
Name: Linda Rivas
b Bb
B/BB
Bb
19. In humans, dimples (D) are dominant to no dimples (d). Cross a woman who is homozygous dominant
with a man who is homozygous recessive. Determine the phenotypic and genotypic ratios of their
potential offspring. Same
Dd x dd
dd:Dd: DD
2 2 O
d Dd
d Dd
R
Heredity Unit
RR
dd
TTT
tTt
dd
20. In tomatoes, red fruit (R) is dominant to yellow fruit (r). Cross a homozygous dominant fruit with a
heterozygous fruit. What percentage of their offspring will have yellow fruit?
R
RR x Rr
Red Fruit
RR
Bb X bb
Bb: bb: BB
2
1
f Ffff
f Ff
ff
RR: Rrirr
r
Rr
2
2
21. In pea plants, tall plants are dominant to dwarf plants. Two heterozygous plants are crossed. If they
have 80 offspring, how many plants should be dwarf sized? How many will be tall? Give a number,
not a percent. t
It
tt
TT: T€€€
1
21
22. In humans, freckles are dominant to no freckles. Trey has no freckles and his wife Anna Grace has
freckles, but her dad doesn't. They want to know what percentage of their kids would look like Trey.
FF:ff: FF
2
2
Non-dimples
2
50%
dimples
: 2
O's Not Rocket Science 2020
Yellow frut
Vastas
Transcribed Image Text:Part 4: Answer each of the following questions. You must include a Punnett square to support each answer!! 18. In fruit flies, brown bodies (B) are dominant to black bodies (b) Cross a black fruit fly with a heterozygous fruit fly. Determine the phenotypic and genotypic ratios of their potential offspring. "B b Brown B Black B bb Name: Linda Rivas b Bb B/BB Bb 19. In humans, dimples (D) are dominant to no dimples (d). Cross a woman who is homozygous dominant with a man who is homozygous recessive. Determine the phenotypic and genotypic ratios of their potential offspring. Same Dd x dd dd:Dd: DD 2 2 O d Dd d Dd R Heredity Unit RR dd TTT tTt dd 20. In tomatoes, red fruit (R) is dominant to yellow fruit (r). Cross a homozygous dominant fruit with a heterozygous fruit. What percentage of their offspring will have yellow fruit? R RR x Rr Red Fruit RR Bb X bb Bb: bb: BB 2 1 f Ffff f Ff ff RR: Rrirr r Rr 2 2 21. In pea plants, tall plants are dominant to dwarf plants. Two heterozygous plants are crossed. If they have 80 offspring, how many plants should be dwarf sized? How many will be tall? Give a number, not a percent. t It tt TT: T€€€ 1 21 22. In humans, freckles are dominant to no freckles. Trey has no freckles and his wife Anna Grace has freckles, but her dad doesn't. They want to know what percentage of their kids would look like Trey. FF:ff: FF 2 2 Non-dimples 2 50% dimples : 2 O's Not Rocket Science 2020 Yellow frut Vastas
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