Like Drosophila, humans have sex-linked traits. One of these is red-green color blindness, with the gene...
Like Drosophila, humans have sex-linked traits. One of these is red-green color blindness, with the gene on the X chromasome. Which of the following parental genotypes of people without this colorblindness, could produce at least one colorblind offspring?
| XnXn and XNY |
| XNXN and XnY |
| XNXN and XNY |
| XnXn and XnY |
| XNXn and XNY |
Homework Answers
Ans :parents with genotype XNXn and XNY are without red -green blindness and produce colour blind offspring i.e, colourblind male child.
Explaination:
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Like Drosophila, humans have sex-linked traits. One of
these is red-green color blindness, with the gene...
SEX-LINKAGE Red-Green color-blindness is sex-linked X-linked recessive trait. A normal sighted woman whose father is color-...
SEX-LINKAGE Red-Green color-blindness is sex-linked X-linked recessive trait. A normal sighted woman whose father is color- blind marries a color-blind man. they have 20 children. Of those 20, 6 are normal sighted females, 5 are color-blind females, 4 are normal sighted males and 5 are color-blind males. 7. What are the genotypes of the parents and all the children? 8. Theoretically, what would be the genotypic and phenotypic ratios of the offspring?
Red-green colorblindness is a sex-linked trait. Normal color vision results from the dominant allele (A) while...
Red-green colorblindness is a sex-linked trait. Normal color vision results from the dominant allele (A) while red-green colorblindness results from the recessive allele (a). In the cross X(A)Y x X(A)X(a): Select one: O a. All males should be red-green colorblind, all females normal o b. males have 50% chance of colorblind, all females will have normal O c. males have 50% chance of colorblind, all females will be colorblind O d. all males have normal vision, 50% of females will...
Name Sex-linked traits are genetic char segments of DNA found on chromosomes that Sex-Linked Traits Senetic...
Name Sex-linked traits are genetic char segments of DNA found on chromosomes that Sex-Linked Traits Senetic characteristics determined by genes located on sex chromosomes. Genies are and on chromosomes that carry information for protein production and that are sponsible for the inheritance of specific traits Genes exist in alternative forms called alleics. or a trail is inherited from each parent Like traits originating from genes on autosomes (non-se chromosomes), sex-linked to omosomes), sex-linked traits are passed from parents to offspring...
SEX-LINKED TRAITS 8. Create a Punnett square to determine the offspring that would result from a cross between a woman with normal vision, who carries the allele for color-blindness, and a man who...
SEX-LINKED TRAITS 8. Create a Punnett square to determine the offspring that would result from a cross between a woman with normal vision, who carries the allele for color-blindness, and a man who has normal vision. Note: color-blindness is an X-linked recessive tret What are the genotypes of the parent? List all possible genotypes of the offspring. male, normal male, color-blind female, normal vision female, carrier 50% Co hat percentage of their sons would be color-blind? What percentage of their...
Red-green color blindness is X-linked recessive. A woman with normal color vision has a father who...
Red-green color blindness is X-linked recessive. A woman with normal color vision has a father who is colorblind. The woman has a child with a man with normal color vision. What is the probability their child is a boy and is colorblind? A. 1/8 B. 1/4 C. 1/2 D. 3/4 E. 0
A woman with red-green color-blindness has a mother with normal vision.
A woman with red-green color-blindness has a mother with normal vision. Knowing that color-blindness is a sex-linked recessive gene, can you determine what her father's phenotype is? (yes or no) If so, what is it?The woman marries a man with normal vision. What is the probability they will have sons who are red-green color-blind? What is the probability they will have daughters who are red-green color-blind?
Red-green color blindness is a sex-linked trait, with the normal vision phenotype being dominant (C) and...
Red-green color blindness is a sex-linked trait, with the normal vision phenotype being dominant (C) and the color blind (c) phenotype being recessive. If you are male and your father is color blind, what is the chance (expressed as a percentage) that you will inherit his trait for color blindness? What if your mother is a carrier for color blindness (but your father is not color blind), what is the chance of you being color blind? Make sure...
Red-green color blindness is an X-linked recessive trait. Heterozygous females have normal color vision but are...
Red-green color blindness is an X-linked recessive trait. Heterozygous females have normal color vision but are carriers of the allele for red-green color blindness. Based on the information presented in the pedigree, select all of the females from the list below that are known carriers of red-green color blindness.
3. In humans Red-Green colorblindness is due to an X-linked recessive allele. A woman was diagnosed...
3. In humans Red-Green colorblindness is due to an X-linked recessive allele. A woman was diagnosed with colorblindness in her right eye, but nommal vision in her left eye. It is known that her father was colorblind and that her mother had normal vision. Explain how the phenomena of dosage compensation could explain this woman's condition.
Red-green color blindness is inherited as an X-linked recessive (Xc). If a color-blind man marries a...
Red-green color blindness is inherited as an X-linked recessive (Xc). If a color-blind man marries a woman who is heterozygous for normal vision, what would be the expected phenotypes of their children with reference to this character? In your answer, specify in your phenotype descriptions the gender of the children. (For example, don’t just say 75% of the children would be colorblind – you would instead say 100 % of the daughters would be colorblind and 50% of the sons...
Red-green colorblindness is a sex-linked trait. Normal color vision results from the dominant allele (A) while red-green colorblindness results from the recessive allele (a). In the cross X(A)Y x X(A)X(a): Select one: O a. All males should be red-green colorblind, all females normal o b. males have 50% chance of colorblind, all females will have normal O c. males have 50% chance of colorblind, all females will be colorblind O d. all males have normal vision, 50% of females will...
Name Sex-linked traits are genetic char segments of DNA found on chromosomes that Sex-Linked Traits Senetic characteristics determined by genes located on sex chromosomes. Genies are and on chromosomes that carry information for protein production and that are sponsible for the inheritance of specific traits Genes exist in alternative forms called alleics. or a trail is inherited from each parent Like traits originating from genes on autosomes (non-se chromosomes), sex-linked to omosomes), sex-linked traits are passed from parents to offspring...
SEX-LINKED TRAITS 8. Create a Punnett square to determine the offspring that would result from a cross between a woman with normal vision, who carries the allele for color-blindness, and a man who has normal vision. Note: color-blindness is an X-linked recessive tret What are the genotypes of the parent? List all possible genotypes of the offspring. male, normal male, color-blind female, normal vision female, carrier 50% Co hat percentage of their sons would be color-blind? What percentage of their...
Red-green color blindness is an X-linked recessive trait. Heterozygous females have normal color vision but are carriers of the allele for red-green color blindness. Based on the information presented in the pedigree, select all of the females from the list below that are known carriers of red-green color blindness.
3. In humans Red-Green colorblindness is due to an X-linked recessive allele. A woman was diagnosed with colorblindness in her right eye, but nommal vision in her left eye. It is known that her father was colorblind and that her mother had normal vision. Explain how the phenomena of dosage compensation could explain this woman's condition.
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