In cats fur colour can be black, orange or tortoise (patched orange and black). A mating...
In cats fur colour can be black, orange or tortoise
(patched orange and black). A mating
between two cats produces the kittens indicated below.
P: tortoise female X orange male
F1: orange females
tortoise females
black males
orange males
What are the genotypes of the parents and F1 progeny, if fur colour
is controlled by X-linked
alleles?
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In cats fur colour can be black, orange or tortoise
(patched orange and black). A mating...
(Problem 66a) Male house cats are either black or orange; females are black, orange, or calico....
(Problem 66a) Male house cats are either black or orange; females are black, orange, or calico. If these coat-color phenotypes are governed by a sex-linked gene, how can these observations be explained? A.The gene is on the X chromosome and three alleles must be involved. B.Calico males die before birth C.In males, orange is always dominant over calico. D. The gene is on the X chromosome and heterozygous females display the calico phenotype. . E.Calico males are sterile. (Problem 66...
17. In cats, yellow fur is dominant to black fur. The heterozygous tortoise-shell" or "calico" condition...
17. In cats, yellow fur is dominant to black fur. The heterozygous tortoise-shell" or "calico" condition is exhibited only by the female. The fur trait is sex-linked. What offspring (genotypes, phenotypes and frequencies) would you expect from the cross of a black male with a yellow female? What kinds of offspring would you expect to result from the cross of a black male with a tortoise-shell female? How about the cross of two tortoise-shell animals?! dong
vields black aegene is r-quired to produce orange cas fur the recesstvo little o orange fur...
vields black aegene is r-quired to produce orange cas fur the recesstvo little o orange fur altemating with patterns of is allele of O allele of the X-linked orange wah gene yields black fur. Tortoisesheil cats have coats with patches of hich of the following terns of black fur 3. ) ange female oroses could produce a XX fama ortoise B. Black female x orange C. Orange female x o ange D. Two of the above couloace a female E....
In cats with tortoiseshell coat color, the fur is white with patchy black and orange spots....
In cats with tortoiseshell coat color, the fur is white with patchy black and orange spots. In cats, the tortoiseshell gene is on the X chromosome, and the tortoiseshell phenotype requires the presence of 2 different alleles at this locus: one for orange fur (o) and one for black fur (b). What phenomenon best explains why female cats can inherit tortoiseshell coat color? In females, the alleles for coat color are pleiotropic, resulting in patches of orange and black coat...
3. In cats, the B allele codes for black fur, and the b allele codes for...
3. In cats, the B allele codes for black fur, and the b allele codes for orange fur. The gene is located on the X chromosome. However, the genotype XB/Xb results in fur with a mottled appearance called tortoise-shell. Suppose a tortoise-shell female is crossed with a black male. a. What are the parental genotypes? b. What phenotypic ratios would be expected in the offspring? c. What is the mode of inheritance? d. A rich client wants a tortoise-shell male....
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-...
can someone help me step by step! 4. In cats, black color is dominant to a...
can someone help me step by step!
4. In cats, black color is dominant to a special, temperature-sensitive albino gene which produces cats with dark legs, faces and tails (Siamese cats). A short haired (dominant) Siamese colored female is bred to a long-haired recessive) black male. They have eight kittens: 2 black, short-haired; 2 black, long-haired; 2 Siamese, short-haired; and 2 Siamese, long-haired. What were the genotypes of the two parents?
2. In certain cats, tail length-long, short, manx (no tail) - is determined by a gene...
2. In certain cats, tail length-long, short, manx (no tail) - is determined by a gene that demonstrates incomplete dominance. a. Make up letters to represent the long & manx alleles. b. Give the genotypes for each tail type. Long-tailed Short-tailed Manx c. Construct a Punnett square to illustrate a cross between a short-tailed cat and a man. What is the probability that the resulting kittens will be manx? Activity 3: Codominance 1. In codominance, the symbols for alleles are...
with brown fur and all offspring had black fur. ne of the resulting F2 progeny were...
with brown fur and all offspring had black fur. ne of the resulting F2 progeny were brown 7. A guinea pig with black fur was bred to one with brown fur and all offspring na When two of these F1 offspring were bred, some of the resulting F2 progeny while others were black. a. What is the dominant phenotype? How do you know?__ b. Create symbols to represent the alleles for coat color in guinea pigs. Black = Brown =...
You must record all crosses and results on the log sheets provided in this lab. Your...
You must record all crosses and results on the log sheets provided in this lab. Your completed log sheets must be attached to your final report as an Appendix. PART IV: POST-LAB. These following exercises must be completed in your labreport: 1. Length of fur is also genetically determined. The allele L produces long fur and its corresponding allele, I produces short fur. Long fur is dominant to short. a) You mate 2 hamsters. Both heterozygous for brown long fur....
17. In cats, yellow fur is dominant to black fur. The heterozygous tortoise-shell" or "calico" condition is exhibited only by the female. The fur trait is sex-linked. What offspring (genotypes, phenotypes and frequencies) would you expect from the cross of a black male with a yellow female? What kinds of offspring would you expect to result from the cross of a black male with a tortoise-shell female? How about the cross of two tortoise-shell animals?! dong
vields black aegene is r-quired to produce orange cas fur the recesstvo little o orange fur altemating with patterns of is allele of O allele of the X-linked orange wah gene yields black fur. Tortoisesheil cats have coats with patches of hich of the following terns of black fur 3. ) ange female oroses could produce a XX fama ortoise B. Black female x orange C. Orange female x o ange D. Two of the above couloace a female E....
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-...
can someone help me step by step!
4. In cats, black color is dominant to a special, temperature-sensitive albino gene which produces cats with dark legs, faces and tails (Siamese cats). A short haired (dominant) Siamese colored female is bred to a long-haired recessive) black male. They have eight kittens: 2 black, short-haired; 2 black, long-haired; 2 Siamese, short-haired; and 2 Siamese, long-haired. What were the genotypes of the two parents?
2. In certain cats, tail length-long, short, manx (no tail) - is determined by a gene that demonstrates incomplete dominance. a. Make up letters to represent the long & manx alleles. b. Give the genotypes for each tail type. Long-tailed Short-tailed Manx c. Construct a Punnett square to illustrate a cross between a short-tailed cat and a man. What is the probability that the resulting kittens will be manx? Activity 3: Codominance 1. In codominance, the symbols for alleles are...
with brown fur and all offspring had black fur. ne of the resulting F2 progeny were brown 7. A guinea pig with black fur was bred to one with brown fur and all offspring na When two of these F1 offspring were bred, some of the resulting F2 progeny while others were black. a. What is the dominant phenotype? How do you know?__ b. Create symbols to represent the alleles for coat color in guinea pigs. Black = Brown =...
You must record all crosses and results on the log sheets provided in this lab. Your completed log sheets must be attached to your final report as an Appendix. PART IV: POST-LAB. These following exercises must be completed in your labreport: 1. Length of fur is also genetically determined. The allele L produces long fur and its corresponding allele, I produces short fur. Long fur is dominant to short. a) You mate 2 hamsters. Both heterozygous for brown long fur....
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