1.What are the phenotypes of the offspring that results from a cross between snapdragon plants that produce red (RR) and pink (Rr) flowers? (Incomplete dominance) * a. 75% red, 25% pink b. 50% red, 50% pink c. 50% red, 25% pink, 25% white d. 75% pink, 25% red

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Choose the correct answer. 1.What are the phenotypes of the offspring that results from a cross between snapdragon plants that produce red (RR) and pink (Rr) flowers? (Incomplete dominance) * a. 75% red, 25% pink b. 50% red, 50% pink c. 50% red, 25% pink, 25% white d. 75% pink, 25% red 2. In Dalmatian dogs, the spotted condition (S) is dominant over non-spotted (s). A litter of 8 pups were found—four spotted and four non-spotted. Based on the appearance of the pups, what are the genotypes of the parents? * a. Ss and Ss b. SS and ss c. Ss and ss d. ss and ss 3.The allele for brown eye (B) is dominant to that of blue eye (b). A brown-eyed man with a blue-eyed mother marries a blue-eyed woman. What is the probability that the first child is blue-eyed? * a. 25% b. 75% c. 50% d. 100% 4.The gene for green seed coat (G) is dominant to the gene for yellow seed coat (g). A plant with a yellow seed coat is crossed with a plant with a green seed coat. Eight of the offspring had yellow seed coats and eight had green seed coats. What are the genotypes of the offspring with green seed coat? * a. ½ gg and ½ Gg b. all Gg c. all GG d. ½ GG and ½ Gg 5.24-26. Brown coat is dominant to white coat in cattle. What is the phenotypic ratio of the possible offspring produced in a cross between two heterozygous brown-coated cattle? * a. 3 brown: 1 white b. 3 white: 1 brown c. 2 brown: 2 white d. all white coated
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