Tightly curled hair is caused by a dominant autosomal gene in humans. If a heterozygous curly-haired person marries a person with straight hair, what phenotypes (and in what proportions) are expected in the offspring? O 1 curly: 1 straight 1 curly: 2 straight 1 curly: 3 straight O 2 curly: 1 straight O 3 curly: 1 straight Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining "
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- Neurofibromatosis-1 (NF1) is an autosomal dominant disorder where tumours form in the base layer of the skin or in nerve tissues. What is the probability that individuals II-1 and II-2 will have a genetic son with NF1? Find the image attached.The autosomal (not X-linked) gene for brachydactyly, short fingers, is dominant to normal finger length. Assume that a female with brachydactyly in the heterozygous condition is married to a man with normal fingers. What is the probability that their first child will be a brachydactylous girl? ¼ 1/2 1/8 3/4 2/3Sickle cell anemia is inherited as an autosomal recessive condition. It also exhibits incomplete dominance in that the heterozygous genotype displays a mild form of the disease known as sickle cell trait while individuals with the homozygous recessive genotype have a severe form of SCA. A man who has severe sickle cell anemia marries a woman who suffers from a mild trait. What is the probabilitu they will have a child with severe SCA?What is the probability they will have a child with mild SCA? What is the probability they will have a normal child? Show ALL work using punnett squares.
- Neurofibromatosis-1 (NF1) is an autosomal dominant disorder where tumours form in the base layer of the skin or in nerve tissues. What is the probability that individuals II-1 and II-2 will have a son with NF1? Record your answer as a value between 0 and 1 rounded to two decimal places.Huntington's Chorea is an autosomal dominant trait. Below is a pedigree of a family with Huntington's disease. If III-6 had a child with a healthy individual, what would be the chance they would have a child with Huntington's? Group of answer choices a 100% b 25% c 50% d 0%A man with a specific unusual genetic trait marries an unaffected woman. For each type of inheritance, place the pedigree that would result from the cross. Assume the trait is fully penetrant and rare. Autosomal recessive X-linked recessive Y-linked Autosomal dominant X-linked dominant |Unaffected male |Affected male OUnaffected female Affected female Answer Bank 오모오모
- Blood type is an autosomal trait that shows co-dominance. A man of type AB (IAIB) blood is married to a woman of type O (ii) and he questions the paternity of her child, who has type O(ii) blood. What should the legal judgment be? In humans, hair texture is an autosomal trait that displays incomplete dominance. A curly-haired individual (HCHC) marries a straight-haired individual (HSHS), and do all their children have wavy hair? Show this mating. Tay-Sachs is an autosomal disease. Two carriers (Nn) of the Tay-Sachs disease marry and have children. To have the disease a person must have the recessive genotype: “nn”. What are the possible genetic outcomes and probabilities for their children?Albinism and sickle cell anemia are both autosomal recessive disorders that are expressed only in the homozygous state. Two parents who are carriers for both albinism and sickle cell anemia plan to have a child. What is the probability that the child will have exactly one of the conditions? 3/8 7/16 O 1/16 O 1/4 9/16Hemophilia, disease in which the blood lacks a clotting factor, is caused by an X linked recessive gene. Joe doe not have hemophilia and Lucille is heterozygous for the condition. What is the chance that their MALE child will have hemophilia? (Note: you are calculating the probability for their MALE children only, in other words if they have 1 male child, what is the probability that he will be born with the disease?) 0% 1/4 or 25% 2/4 or 50% 3/4 or 75% 4/4 or 100%
- Cystic Fibrosis is an autosomal recessive disorder. A couple are both carriers of the recessive allele (both heterozygous (Cc)) and have the normal wild-type phenotype. What is the probability of the following occurring; If they have one child, what is the probability of it having cystic fibrosis (cc)?A form of hemophilia is caused by a sex-linked (X-linked) recessive gene. A phenotypically normal woman whose father had hemophilia marries a phenotypically normal man with no family history of hemophilia. What is the probability that their first son will have hemophilia? 1/4 1 3/4 0 1/2Huntington's disease is characterized by late onset mental deterioration and is invariably fatal. It appears to be caused by an autosomal dominant gene. A man with Huntington's disease (heterozygous) marries a normal woman and they have 5 children. What risk does each child have of contracting the disease? Write the full punnett sqaure equation showing ALL steps used to achieve your answer.