The shape of a heliodor is an X-linked trait. Male heliodors inherit two X chromosomes, while the females inherit an X and a Y chromosome. The recessive allele codes for the while the dominant phenotype is a round shape common bell-shape. daughter, Hannah, who is shaped like her mother. Hudson is a round male and has offspring with Heidi, a bell-shaped female. They already have one What is Hannah's genotype? XRY XrY XRXR XRX"
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- In humans, unattached earlobes (E) are dominant to attached earlobes (e). If a child is born with unattached earlobes, and a mother with attached earlobes, and a dad with unattached earlobes, what is genotype of the dad? O a. EE or Ee O b. ee O c. Ee O d. Ee or ee O e. EETwo mothers give birth to sons at the same time at a busy urbanhospital. The son of mother 1 has hemophilia, a disease causedby an X-linked recessive allele. Neither parent has the disease.Mother 2 has a son without hemophilia, despite the fact thatthe father has hemophilia. Several years later, couple 1 suesthe hospital, claiming that these two newborns were swappedin the nursery following their birth. As a genetic counselor, youare called to testify. What information can you provide the juryconcerning the allegation?Explain the following terms in your own wordsa. Genotypeb. Phenotypec. Alleled. Dominante. Recessivef. Heterozygousg. Homozygou
- John has unattached earlobes (dominant) like his father, but his mother has attached earlobes (recessive). What is John’s genotype? Show punnet squareBbRrppMm X bbRrPpMM: probability of producing an individual that is dominant for B & M and recessive for R and P?D. If a man is color-blind, which parent did he inherit the gene from? Explain your answer. E. Which parent does a man get all his x-linked genes from? F. If a woman is color-blind, what do you know about the genotypes and phenotypes of her parents? G. Are men more likely than women to get a genetic disease which is x-linked and dominant? Are they more likely to get a disease that is x-linked and recessive? Explain your answers. H. Can a man with normal color vision have a colorblind daughter? Explain your answer. I. Which parent determines the sex of a child?
- Colour-blindness is the result of an X-linked recessive allele, Xc. The allele for normal eyesight is XC. (a) A woman with normal colour vision whose father was colour-blind marries a colour-blind man. Give the genotypes and phenotypes of their children. What ratio of their children can be expected to be colour-blind? (b) A man with normal colour vision whose father was colour-blind marries a woman carrier of the colour-blind allele. What is the likelihood that their children will be colour-blind? Carriers of the trait?Muscular Dystrophy is an X linked recessive disease. Maria and Nick are getting genetic counseling by you to determine thier risk of the disease on their new born child.If Maria is a carrier and Nick is healthy. What is the probability of a daugther with muscular dystrophy ? A son?Cardi B claims to have another baby. She’s telling gossip magazines that it’s Offset’s baby. Offset wants proof that it’s his. Cardi B is homozygous recessive for square face shape. Offset is homozygous dominant for round face shape. The baby was born with a round face shape. Is it possible the baby could be his? Use your own letters for this Punnett square.
- A person has the genotype AabbCCDdEEFfGgHH for 8 genes. State how many genes are homozygous dominant, how many genes are heterozygous, and how many genes are recessive.If a trait is X-linked dominant, who would express the trait? A) females homozygous for the dominant allele and males hemizygous for the recessive allele B) heterozygous females and males hemizygous for the dominant allele C) females homozygous for the recessive allele and males hemizygous for the recessive allele D) females homozygous for the recessive allele and males hemizygous for the dominant allele E) significantly more females than malesColor blindness is an X-linked trait caused by a recessive alle A carrier female marries a normal male a. How many male offspring can be expected to be color-blind and have a normal vison? b. How many female offspring can be expected to be carriers and to be normal?