Hemophilia Punnett Square

Sex-Linked Punnett Squares Hemophilia is a recessive sex linked disorder. H is normal blood and h is hemophilia. Mom Joes not have hemophilia but she is a carrier of the disorder. Dad has hemophilia. h X H Huh X χχχη X h X ^ h * X ^ h Y x ^ * y X ^ n_{1} Genotypic ratio? 1:xmy 1: xmy X ^ N * X ^ n X ^ h * X ^ h Phenotypic ratio? 1: Female carrier. 1: Female hemophelia 1. Male Normal 1. male hemophelia 2. Hemophilia is a recessive sex linked disorder. H is normal blood and h is hemophilia. Mom has hemophilia and Dad does not have hemophilia. H X h X h y x ^ n * y x ^ y Genotypic ratio? 2: X ^ w * X ^ n z / (X ^ h) * y Phenotypic ratio? 2: Female carrier 2: Male Hemophelia 3. Hemophilia is a recessive sex linked disorder. H is normal blood and h is hemophilia. Both Mom and dad do not have hemophilia. X VHH H X H H y xy x ^ * y Genotypic ratio? 2:XXH 2: X ^ N * Y Phenotypic ratio? Normal Female 2. Namal Male 4. Hemophilia is a recessive sex linked disorder. H is normal blood and h is hemophilia. Mom and dad both have hemophilia. h χιη th th χήχη χηχη y xhy xhy Genotypic ratio? 2: Xnxn 2: Xhy Phenotypic ratio? 2: Female Hemophelia 2. Male Hemophelia X ^ 4 * X ^ h X ^ H * X ^ h X-linked Traits In fruit flies, eye color is a sex linked trait. Red (X ^ R) is dominant to white (X'). 1. What are the sexes and eye colors of flies with the following genotypes: a. X ^ R * X' Female, Perleyes b. X ^ R * Y Male, Red C. X ^ R * X ^ R Female. Red d. X' * Y Male, while 2. What are the genotypes of these flies: a. white eyed, male b. red eyed female (heterozygous) c. white eyed, female d. red eyed, male 3. Show the cross of a white eyed female overline X' * X' with a red-eyed male X ^ R * Y 9: 2:xx Pi 2'red female 2: white male 4. Show a cross between a pure red eyed female and a white eyed male. a. What are the genotypes of the parents XRXR b. How many are white eyed, male O c. How many are white eyed, femaleΩ d. How many are red eyed, male 2 e. How many are red eyed, female XR XR 5. Show the cross of a red eyed female (heterozygous) and a red eyed male. J a. What are the genotypes of the parents? XX XY b. How many are white eyed, male 1 c. How many are white eyed, female d. How many are red eyed, male 1/2 e. How many are red eyed, female & R er e 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 they won't ever be carriers) X ^ H * X ^ H female, normal X ^ H * Y = male, normal X ^ H * X ^ h = female, carrier X ^ n * Y = male, hemophiliac X ^ h * X ^ h female, hemophiliac a. Show the cross of a man who has hemophilia with a woman who is a carrier. X Y ^ h [ matrix x ^ 4 * x ^ n matrix ]x^ n y x^ 4 y matrix ] b. What is the probability that the disease? 50% Female & male 7. A woman who is a carrier marries a normal man. Show the cross, Y a. What is the probability that their children will have hemophilia? 0% Female 50% male b. What sex will a child in the family with hemophilia be? Male 8. A woman who has hemophilia marries a normal man. a. How many of their children will have hemophilia, and what is their sex? 50% Offspring underline Y ^ 4 [ matrix (x ^ 4 * x ^ h)/(x ^ n * y) [ matrix x^ prime x^ 4 \\ x^ n y matrix ] 100% males 0% Females. In cats, the gene is codominant. Females that receive a B and an R gene have black and orange splotches on white coats. Males can only be X black or orange, but never calico. Here's what a calico female's genotype would look like. X ^ S * X ^ R B 9. Show the cross of a female calico cat with a black male XX R X BR X xey a. What percentage of the kittens will be black and male? SY% 25% xBy b. What percentage of the kittens will be calico and male? 0% c. What percentage of the kitteng will be calico and female? 2510 10. Show the cross of a female black cat, with a male orange cat. a. What percentage of the kittens will be calico and female? b. What color will all the male cats be? Black R 50%Xxxxx 6 A