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Blue eyes are dominant to red eyes in rabbits. Show a heterozygous blue-eyed rabbit crossed with...
29, In fruit flies, red eyes are dominant over white eyes. The gene for eye color...
29, In fruit flies, red eyes are dominant over white eyes. The gene for eye color (R) is found on the X chromosome (X^R). Females have 2 X chromosomes and males are XY. Fill in the following (case sensitive!): Genotype of a white eyed female: Possible female gametes; separate gametes with a comma (,): Genotype of a red eyed male: Possible male gametes; separate gametes with a comma (,): In fruit flies, red eyes are dominant over white eyes. The...
Two heterozygous red-eyed flies are crossed. The results are shown below. Determine the chi-square value and...
Two heterozygous red-eyed flies are crossed. The results are shown below. Determine the chi-square value and round to the nearest hundreth. Expected ratio is 3:1 Red eyes - 134 White eyes - 66
Question 3 Two true-breeding Drosophila are crossed: a normal-winged, red-eyed female and a miniature- winged, vermillion-eyed...
Question 3 Two true-breeding Drosophila are crossed: a normal-winged, red-eyed female and a miniature- winged, vermillion-eyed male. The Fl generation all have normal wings and red eyes. The FI offspring are crossed with miniature-winged, vermillion-eyes flies. The following offspring of that cross were counted. 233 normal wing, red eye 247 miniature wing, vermilion eye 7 normal wing, vermilion eye 13 miniature, red eye a) Explain what a testcross is (1 point). b) What is the expected phenotypic ratio from a...
A red-eyed male fly was crossed with a male whale with white eyes. The following offspring...
A red-eyed male fly was crossed with a male whale with white eyes. The following offspring were observed: 90 females with red eyes 43 males with red eyes 47 males with white eyes Which statement is most accurate? a) We have polygen legacy b) The gene shows the 3: 1 ratio in monohybrid crossing c) The red-eye gene must be attached to the X-chromosome d) The white- eye gene must be attached to the Y-chromosome e) Females can never have...
7) In humans, brown eyes (B) are a simple dominant trait over blue eyes (b). What...
7) In humans, brown eyes (B) are a simple dominant trait over blue eyes (b). What is the genotype of a brown-eyed woman who has a blue-eyed child? A)bb -B)Bb С)ВВ D)BBB E) BbBb 8) The ability to roll the edges of the tongue upward in a U-shape is inherited as a dominant allele at a single gene locus, Which of the following genotypes would produce an individual that can roll their tongue? A)TT only B)Tt only C) only D)TT...
Practice Genetics Problems SHOW ALL WORK IN THE SPACES BELOW EACH QUESTION. Monohybrid cross: Sex linkage...
Practice Genetics Problems SHOW ALL WORK IN THE SPACES BELOW EACH QUESTION. Monohybrid cross: Sex linkage 1. In fruit flies, eye color is sex linked. Red color is dominant to white. a) A red eyed male was crossed with a white eyed female. What are the expected phenotypic frequencies of the offspring with respect to gender and eye color? b) A white eyed male was crossed with a homozygous red eyed female; an F, female was then crossed with a...
1.My wife has black color eyes, the dominant trait. All of her family and relatives have...
1.My wife has black color eyes, the dominant trait. All of her family and relatives have dark eyes too. I have light color eyes (blue), the recessive trait. We are hoping for a blue-eyed baby. What is the probability we will have a baby with blue eyes? What is the probability we will have a baby with dark eyes? 2. In humans, tongue rolling is a dominant trait, those with the recessive condition cannot roll their tongues. Bob can roll...
B. Geneticists have discovered that some flies have white eyes and others red eyes. The difference...
B. Geneticists have discovered that some flies have white eyes and others red eyes. The difference in eye color is due to inheritance of one gene. Two true-breeding flies are mated, with the female white-eyed and the male red-eyed. The F1 are 1/2 red eyed and female, and 12 white-eyed and male. (There are no white-eyed females, or red- eyed males.) 11. The F2 includes: 54 red-eye females 42 white-eyed females 48 red-eyed males 56 white-eyed males Phenotypes d (o-edd/e...
Could you please explain using Punnett squares? Thanks!! 9. In snapdragons, red flower color is incompletely...
Could you please explain using Punnett squares? Thanks!!
9. In snapdragons, red flower color is incompletely dominant to white and the heterozygote is pink. Normal broad leaves is incompletely dominant to narrow grass-like ones, and the heterozygous is intermediate width. IF a red-flowered, broad-leaved plant is crossed with a white-flowered, narrow-leafed one, list genotypic and phenotypic ratios of the following: a) Fi generation b) F2 generation 10. In humans, the allele for brown eyes (B) is dominant to the allele...
5. Show the cross of a red eyed female (heterozygous) and a red eyed male What...
5. Show the cross of a red eyed female (heterozygous) and a red eyed male What are the genotypes of the parents? How many of the offspring are white eyed, male white eyed, female red eyed, male red eyed, female 6. In humans, hemophilia is a sex linked trait. Females can be normal, carriers, or have the disease. Males will either have the disease or not (but theywon'tever be carriers) XHXH=female, non-hemophilic X H X h female, carrier Xh Xh-...
Question 3 Two true-breeding Drosophila are crossed: a normal-winged, red-eyed female and a miniature- winged, vermillion-eyed male. The Fl generation all have normal wings and red eyes. The FI offspring are crossed with miniature-winged, vermillion-eyes flies. The following offspring of that cross were counted. 233 normal wing, red eye 247 miniature wing, vermilion eye 7 normal wing, vermilion eye 13 miniature, red eye a) Explain what a testcross is (1 point). b) What is the expected phenotypic ratio from a...
7) In humans, brown eyes (B) are a simple dominant trait over blue eyes (b). What is the genotype of a brown-eyed woman who has a blue-eyed child? A)bb -B)Bb С)ВВ D)BBB E) BbBb 8) The ability to roll the edges of the tongue upward in a U-shape is inherited as a dominant allele at a single gene locus, Which of the following genotypes would produce an individual that can roll their tongue? A)TT only B)Tt only C) only D)TT...
Practice Genetics Problems SHOW ALL WORK IN THE SPACES BELOW EACH QUESTION. Monohybrid cross: Sex linkage 1. In fruit flies, eye color is sex linked. Red color is dominant to white. a) A red eyed male was crossed with a white eyed female. What are the expected phenotypic frequencies of the offspring with respect to gender and eye color? b) A white eyed male was crossed with a homozygous red eyed female; an F, female was then crossed with a...
B. Geneticists have discovered that some flies have white eyes and others red eyes. The difference in eye color is due to inheritance of one gene. Two true-breeding flies are mated, with the female white-eyed and the male red-eyed. The F1 are 1/2 red eyed and female, and 12 white-eyed and male. (There are no white-eyed females, or red- eyed males.) 11. The F2 includes: 54 red-eye females 42 white-eyed females 48 red-eyed males 56 white-eyed males Phenotypes d (o-edd/e...
Could you please explain using Punnett squares? Thanks!!
9. In snapdragons, red flower color is incompletely dominant to white and the heterozygote is pink. Normal broad leaves is incompletely dominant to narrow grass-like ones, and the heterozygous is intermediate width. IF a red-flowered, broad-leaved plant is crossed with a white-flowered, narrow-leafed one, list genotypic and phenotypic ratios of the following: a) Fi generation b) F2 generation 10. In humans, the allele for brown eyes (B) is dominant to the allele...
5. Show the cross of a red eyed female (heterozygous) and a red eyed male What are the genotypes of the parents? How many of the offspring are white eyed, male white eyed, female red eyed, male red eyed, female 6. In humans, hemophilia is a sex linked trait. Females can be normal, carriers, or have the disease. Males will either have the disease or not (but theywon'tever be carriers) XHXH=female, non-hemophilic X H X h female, carrier Xh Xh-...
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