In guinea pigs, short hair is dominant to long hair. Also in guinea pigs, black eyes are dominant to red eyes. A female is heterozygous for both traits is crossed with a male that is long haired and red eyed. What are the expected phenotypes of their offspring and in what proportion?
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In guinea pigs, short hair is dominant to long hair. Also in guinea pigs, black eyes are dominant to red
eyes. A female is heterozygous for both traits is crossed with a male that is long haired and red eyed.
What are the expected
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- A walnut comb rooster is mated to three hens. Hen A, which has a walnut comb, has offspring in the ratio of 3 walnut to 1 rose. Hen B, which has a pea comb, has offspring in the ratio of 3 walnut to 3 pea to 1 rose to 1 single. Hen C, which has a walnut comb, has only walnut comb offspring. What are the genotypes of the rooster and the three hens?In pea plants, the color yellow is dominant over the color green. If a homozygous yellow plant is crossed with a heterozygous yellow plant, what will be the genotypic ratio of the offspring?In Guinea pigs, short hair is dominant over long hair. Also, in Guinea pigs, black eyes are dominant to red eyes. A male Guinea pig that is heterozygous for both traits (HhBb) is crossed with a female that is long haired and red eyes (hhbb). What are the expected phenotypes of their offspring and in what proportion?
- In guinea pigs, the gene for black coat color is dominant to the gene for white coat color. What will be the genotypic ratio for the cross between two heterozygous parents?A rabbit with black fur (B) is crossed with a rabbit with white fur (b). All of the offspring have black fur. What is the genotype of the black rabbit parent?In pea plants, flower color is determined by one gene with two alleles, with the allele coding for purple flowers (P) being dominant to the allele coding for white flowers (p). If two purple-flowered offspring resulting from a cross between homozygous dominant and white-flowered parents are crossed, what percentage of the progeny are expected to have the dominant phenotype?
- In pea plants, the color yellow is dominant over the color green. If a homozygous yellow plant is crossed with a heterozygous yellow plant, what percentage of the plants will be green?In mice, short hair is dominant over long hair. If a heterozygous shorthaired male is crossed with a heterozygous female, what percentage of the offspring are predicted to have long hair? Group of answer choicesA man with AB blood type marries a woman with O blood type. What is the expected phenotypes (use number next to phenotype) of the offspring?
- Following a cross between two, dihybrid, heterozygous individuals, what fraction of the offspring are predicted to have a genotype that is heterozygous for both genes?A spotted rabbit, when mated with a solid-colored rabbit, produced all spotted offspring. When these F1 rabbits were crossed among themselves, they produced 24 spotted rabbits and 8 solid-colored rabbits. About how many of the solid-colored F2 rabbits would be homozygous? What is the genotype of the parental generation? What is the genotypic ratio of the F1?A particular walnut rooster was crossed to a pea hen, and the progeny consisted of 12 walnut, 11 pea, 3 rose, and 4 single chickens. What are the likely genotypes of the parents?
