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,
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,
Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN:9781337408332
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter14: Chromosomes And Human Inheritance
Section: Chapter Questions
Problem 5GP: Human females have two X chromosomes (XX); males have one X and one Y chromosome (XY). a. With...
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