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What is the karyotype for women who have an extra X-chromosome? Discuss all the ways you can test for this abnormality.
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- What is the karyotype for men who have an extra Y chromosome? Discuss all the ways you can test for this abnormality.Amy Alvarez had a recessive X-linked chromosome for a disorder such as, hemophilia, and said that she wanted to have all boys because they would not show symptoms? Would she be well informed?Two parents who do not have color blindness have a daughter who has only one X chromosome and is color-blind (this genotype is written XO since she is missing an X). Color blindness is inherited in an X-linked recessive manner.
- What sex is the normal human karyotype displayed here? (look at picture) A. Male B. FemaleA man with X-linked color blindness marries a woman with no history of color blindness in her family. The daughter of this couple marries a normal man, and their daughter also marries a normal man. What is the chance that this last couple will have a child with color blindness? If this couple has already had a child with color blindness, what is the chance that their next child will be color blind?What is the chromosome number of the individual? ___________________ Give the sex of the individual. ______________ Based from the karyotype, identify the name of the genetic condition of the individual. List down two (2) distinctive characteristics of the affected individual.
- Could a woman with the X-linked color-blind trait have a son without colorblindness? Use a Punnett square to explain your answer.If someone has Marfan syndrome, what are their genotypes? If that person has children who do NOT have the syndrome, what are the children's genotypes?Color blindness is an X-linked genetic disorder. Choose the following genotype that represents a female with normal vision, but is a carrier of the color blind gene 1. XAY 2. XaXa 3. XAXa 4. Xay
- How might a genetic counselor help a couple determine whether or not they could have a son with hemophiliaHemophilia is due to a sex-linked gene. It is recessive and found on the X chromosome. A woman who is a carrier for hemophilia marries a normal man. What will be the possible phenotypes of their children? (use the letter “H”)Please Answer with reason: When counseling parents about genetic transmission of an X-linked disorder, which concept does the nurse keep in mind? a. An X-linked disorder can be traced through the paternal lineage. b. A female can only pass an X-liked disorder to a son c. A male can pass an X-linked mutation to a son or a daughter d. A male with a mutation in an X-linked gene will manifest the disease. 5) The nurse explains to parents that if both of them are carriers of an autosomal recessive genetic mutation, the chance of each child NOT inheriting the disease (affected) is a. 25% c. 0% b. 75% d. 50%
