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2. A woman has two dominant traits, each...
answer all questions to get a thumbs up 4. A woman has a Widow's peak (dominant),...
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4. A woman has a Widow's peak (dominant), but she does not know her genotype. She marries a man who has a straight hairline and they have 13 children. Nine have widow's peaks and four have straight hairlines a. What are the genotypes of the parents? b. What are the genotypes of the children? C. Explain how you arrived at your answers. G host 5. In humans, Phenylketonuria (PKU) and Lactose intolerance...
2 The inheritance of autosomal dominant traits also can be explored through pedigree analysis, Polydactylism, having...
2 The inheritance of autosomal dominant traits also can be explored through pedigree analysis, Polydactylism, having extra digits, results from a dominant gene (P). Using Figure 3.8, explain the appearance of polydactyly in children of generation 3. O IIION FUR 8.8 Polydactylism pedigree. X-linked traits are carried exclusively on the X chromosome. Because a male possesses only one X chromosome, if he receives an X chromosome that carries an X-linked trat he will express that trait. For a female to...
Genetics question!! Please help with these 3. Thanks A woman with Turner syndrome (X0-only one X-chromosome)...
Genetics question!! Please help with these 3. Thanks
A woman with Turner syndrome (X0-only one X-chromosome) is also colorblind (an X-linked recessive phenotype). Both of her parents have normal color vision. This women's karyotype and genotype could have arisen by: a) a mutation in her mother's X-chromosome b) non-disjunction in mitosis c) non-disjunction in meiosis 1 in her father d) non-disjunction in meiosis 2 in her mother e) non-disjunction in meiosis 1 in her mother 10. Mitochondrial genomes a) replicate...
11. John is suffering from both autosomal dominant deafness (D) and achondroplastic dwarfism (A) and has...
11. John is suffering from both autosomal dominant deafness (D) and achondroplastic dwarfism (A) and has married to a normal woman. Assuming that: a) P=1 for both traits; b) these genes are 20 cM apart on chromosome 9, and c) his father had dwarfism and his mother was deaf, what is the chance that their first child would have both traits? A. 10% B.40% C.45% D.50% E.80% F.100%
lids called ptosis, which makes it impossible for her to open A woman has a rare...
lids called ptosis, which makes it impossible for her to open A woman has a rare abnormality of the evelids called ptosis, which makes it impossib her eyes completely. The condition is due to a dominant gene y. The condition is due to a dominant ene (P) The woman's father had ptosis, but mother had normal eyelids. What are the genotypes of the woman, her father, and married a man with normal eyelids, what proportion of the children would be...
need help with 1 and 2 please. X-linked Recessive Traits Review X-linked traits in your textbook....
need help with 1 and 2 please.
X-linked Recessive Traits Review X-linked traits in your textbook. 1 In cars, the Ballele produces black fur & b produces orange fur. This gene is X-linked (X & X". Both colors are expressed in heterozygotes calico). If alcat has 2 calico kittens, 1 male black kitten, and I female orange kitten, what is the ty p henotype of the father cat? (Hint: Work backwards & use a Punnett square Remember that not every...
3. (35 pts) The gene for the cone photoreceptor in the eye and the gene for...
3. (35 pts) The gene for the cone photoreceptor in the eye and the gene for a blood-clotting factor are both in the X-chromosome. Suppose they are 14 map units apart. Mutation in the photoreceptor gene results in color blindness, and is inherited as an X-linked recessive trait. Mutation in the clotting factor gene results in hemophilia, and is also inherited as an X-linked recessive trait. You have two patients: Sally and Jill. Both patients have a family history of...
Oswald has been diagnosed with a rare disease known as hyperdoodlemia. he must draw constantly during...
Oswald has been diagnosed with a rare disease known as hyperdoodlemia. he must draw constantly during class or he will fall asleep instantly. He meets Fran who can't draw at all and takes very good notes in class instead of doodling. they get married after college and have three children. One daughter is plagued with this drawing disorder. She wants to determine if she obtained this disease/trait from her mother's side of the family or her fathers. She does some...
6. If you cross a woman with type A blood and a man with type B...
6. If you cross a woman with type A blood and a man with type B and both ha dominant and one recessive allele for blood type what are the possible genotypes of their offspring? Use the Punnett square below to help you determin etermine this. 7. Choroideremia is a disease that causes degeneration of the retina of the eye. The recessive allele that causes this condition is found on the X chromosome. Using the square below, cross a woman...
A mother is heterozygous for an over-expressed plastin allele on her X chromosome, thus has longer...
A mother is heterozygous for an over-expressed plastin allele on her X chromosome, thus has longer than normal axons. She is also heterozygous for the SMN1 gene on chromosome 5. Her children’s father is normal for plastin and has normal length axons. He too is heterozygous for the SMN1 gene. Both genes influence spinal muscular atrophy type 1 (SMA1); two abnormal copies of the SMN1 gene are required to cause spinal muscular atrophy, but their effect is prevented by high...
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4. A woman has a Widow's peak (dominant), but she does not know her genotype. She marries a man who has a straight hairline and they have 13 children. Nine have widow's peaks and four have straight hairlines a. What are the genotypes of the parents? b. What are the genotypes of the children? C. Explain how you arrived at your answers. G host 5. In humans, Phenylketonuria (PKU) and Lactose intolerance...
2 The inheritance of autosomal dominant traits also can be explored through pedigree analysis, Polydactylism, having extra digits, results from a dominant gene (P). Using Figure 3.8, explain the appearance of polydactyly in children of generation 3. O IIION FUR 8.8 Polydactylism pedigree. X-linked traits are carried exclusively on the X chromosome. Because a male possesses only one X chromosome, if he receives an X chromosome that carries an X-linked trat he will express that trait. For a female to...
Genetics question!! Please help with these 3. Thanks
A woman with Turner syndrome (X0-only one X-chromosome) is also colorblind (an X-linked recessive phenotype). Both of her parents have normal color vision. This women's karyotype and genotype could have arisen by: a) a mutation in her mother's X-chromosome b) non-disjunction in mitosis c) non-disjunction in meiosis 1 in her father d) non-disjunction in meiosis 2 in her mother e) non-disjunction in meiosis 1 in her mother 10. Mitochondrial genomes a) replicate...
lids called ptosis, which makes it impossible for her to open A woman has a rare abnormality of the evelids called ptosis, which makes it impossib her eyes completely. The condition is due to a dominant gene y. The condition is due to a dominant ene (P) The woman's father had ptosis, but mother had normal eyelids. What are the genotypes of the woman, her father, and married a man with normal eyelids, what proportion of the children would be...
need help with 1 and 2 please.
X-linked Recessive Traits Review X-linked traits in your textbook. 1 In cars, the Ballele produces black fur & b produces orange fur. This gene is X-linked (X & X". Both colors are expressed in heterozygotes calico). If alcat has 2 calico kittens, 1 male black kitten, and I female orange kitten, what is the ty p henotype of the father cat? (Hint: Work backwards & use a Punnett square Remember that not every...
6. If you cross a woman with type A blood and a man with type B and both ha dominant and one recessive allele for blood type what are the possible genotypes of their offspring? Use the Punnett square below to help you determin etermine this. 7. Choroideremia is a disease that causes degeneration of the retina of the eye. The recessive allele that causes this condition is found on the X chromosome. Using the square below, cross a woman...
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