1. A male French Alpine (WwHH) is crossed with a female French Alpine (wwHh). Where W-White, w-gray, H-Horned, h-Polled. Give the phenotypic and genotypic ratio of their offspring.
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1. A male French Alpine (WwHH) is crossed with a female French Alpine (wwHh). Where W-White, w-gray, H-Horned, h-Polled. Give the
2. A male Sahiwal (RRHH) is crossed with a female Angus (Rrhh). Where R-Red, r-Brown, H-Horned, h-polled. Give the phenotypic and genotypic ratio of their offspring.
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- 1. A cow is heterozygous for three genes (WwPp) where W-White, w-Brown, P-Polled, p-Horned. Give the phenotypic and genotypic ratio of their offspring if the cow is inter se mated. 2.A male Sahiwal (RRHH) is crossed with a female Angus (Rrhh). Where R-Red, r-Brown, H-Horned, h-polled. Give the phenotypic and genotypic ratio of their offspring.You breed two black dogs. It results in 3 offspring, the first which is black, the second which is brown, and the third which is white. Give two genetic explanations as to what could cause their fur color. Make sure each explanation includes two genes and follows along with the provided data. Also, explain the genotype of each color of dog and a ratio of the F2 phenotypes you would expect to see from a dihybrid cross. After you're finished, pick one of the explanations and create a hypothesis for the function of each gene which would explain the molecular basis of the fur color Finally, for each of the two genes, explain how a specific functional difference between the two alleles leads to a difference in their functionsIn cattle, a red bull (R R R R ) is crossed with a white cow (R W R W ), the heterozygous offspring resulted a roan color (R R R W ). Determine the phenotypes and genotypes and their ratios of the offspring produced when A. a red bull is crossed with a roan cowB. a roan bull is crossed with a white cow in which parents are both roan
- A male dog with the genotype GgBb is crossed with a female dog with the genotype GgBb. Set up a punnet square Note: Gray hair (GG) is dominant over white hair (gg); Black eyes (BB) is dominant over red eyes (bb). (a) How many out of 16 have gray fur and black eyes? (b) How many out of 16 have gray fur and red eyes? (c) How many out of 16 have white fur and black eyes? (d) How many out of 16 have white fur and eyes red? Write the phenotypic ratio.If RR stands for red, RR' stands for roan and R'R' stands for white; as well as B stands for bucking, which is dominant over b which is easy riding, what will be the chance of getting a roan, easy riding horse from a cross between 2 roan, heterozygous bucking horses? 9/16 1/8 1/4 3/161.1 Farmer Brown has a breed of white-feathered chickens that is homozygous for the dominant allele A which produces coloured feathers. These chickens are also homozygous for the dominant allele B for another independently assorting gene which inhibits colouration of the feathers. Farmer MacDonald has a different breed of white chickens that are homozygous recessive for both the A/a and B/b genes. One of farmer Brown’s hens (AABB) is crossed with one of farmer MacDonald’s roosters (aabb) to generate the F1 generation. What are the expected F2 phenotypes and proportions from the crossing the F1 offspring? 1.2 A certain animal can have brown, red, black or gray fur. Assume that fur colour is controlled by a single gene with multiple alleles in a dominance series where black (B1) > brown (B2) > red (B3) > gray (B4). Give the genotypes of two phenotypically different heterozygotes that when crossed produce offspring with the phenotypic ratio of 1 black : 1 brown.
- In man, assume that spotted skin (S) is dominant over non-spotted skin (s) and that wooly hair (W) is dominant over non-wooly hair (w). Cross a marriage between a heterozygous spotted, non-wooly man with a heterozygous wooly-haired, non-spotted woman. Give genotypic and phenotypic ratios of offspring. In horses, black is dependent upon a dominant gene, B, and chestnut upon its recessive allele, b. The trotting gait is due to a dominant gene, T, the pacing gait to its recessive allele, t. If a homozygous black pacer is mated to a homozygous chestnut trotter, what will be the appearance of the F1 generation?A roan bull is crossed to a white cow. The first 2 offspring turned out to be roan and white calves. Roan is a color obtained when cattle are heterozygous for the gene for red and white hairs. How is this trait inherited? _______________ Identify the genotype of the roan bull. ___________ Identify the genotype of the white cow.___________ Give the genotypic ratio. ___________________ Give the phenotypic ratio. ___________________ Show the Punnett squareUsing the punnet square (di-hybrid cross) solve the following: In a certain breed of dog, the dominant, B, is required for black fur; and it’s recessive, b, produces brown fur. However, the dominant, I is the epistatic gene to the color locus and can inhibit pigment formation. The epistatic recessive allele, i, on the other hand, permits pigment deposition in the fur. -Cross the following parents: bbIi x BBIi 4th Question: How many of the offspring could be albino (white)?
- What are the chances of getting a turkey with a with a red wattle, if red is dominant to blue, when you cross 1 homozygous dominant with 1 homozygous recessive (RRxrr) turkeys?please show genotypic and phenotypic ratio 1.A male French Alpine (WwHH) is crossed with a female French Alpine (wwHh). Where W-White, w-gray, H-Horned, h-Polled. Give the phenotypic and genotypic ratio of their offspring.man, assume that spotted skin (S) is dominant over non-spotted skin (s) and that wooly hair (W) is dominant over non-wooly hair (w). Cross a marriage between a heterozygous spotted, non-wooly man with a heterozygous wooly-haired, non-spotted woman. Give the genotypes and phenotype of offspring.
