Homework Answers
The albino disease is autosomal recessive so it's genotype would be "aa" and normal person's skin genotype be "AA/Aa".
In the given case the genotype of I-1 would be "Aa" i.e. heterozygous in nature which is why it would be able to produce albinic offsprings by crossing with "aa".
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The pedigree below tracks the presence of albinism though a family's generation. Being albino is an...
albinism is caused by a recessive QUESTION 6 Albinism (lack of skin and hair pigmentation) is...
albinism is caused by a recessive
QUESTION 6 Albinism (lack of skin and hair pigmentation) is caused by a recessive autosomal allele. A woman and man both normally pigmented, have an albino child together. For this trait, what is the genotype of the albino child? O A. It is unknown, because not enough information is provided. O B. heterozygous O C. homozygous dominant OD.homozygous recessive O E. It depends on the environment that the child lives in. QUESTION 7 in...
1. In the pedigree below, the shaded in portions represent an albino (recessive trait). Determine the...
1. In the pedigree below, the shaded in portions represent an albino (recessive trait). Determine the genotypes of each numbered individual and write them next to each individual. Use the letters A and a to describe the genotype and then also use the terminology homozygous dominant, heterozygous, homozygous recessive. Use a - when the second allele is no known. cho
B. Albinism Most humans (and vertebrates, in general) are genetically "programmed" to produce a brown skin...
B. Albinism Most humans (and vertebrates, in general) are genetically "programmed" to produce a brown skin pigment known as melanin. Albinism, the inability to produce melanin, is inherited in humans as an autosomal recessive trait. An individual with genotype AA or Aa will have normally pigmented skin, whereas an individual with genotype aa will produce no melanin. The albino's skin is very pale white. The white color occurs because one or more steps in the biosynthetic pathway for melanin do...
b. Use the following genetic symbols to answer the questions: Normal pigment allele N Albinism allele-n...
b. Use the following genetic symbols to answer the questions: Normal pigment allele N Albinism allele-n The genotype of an albino individual is The genotype of a "carrier" is The genotype of a normal individual is Use the solved example as a guide to complete the following albinism problem and predict the occurrence of this disorder in the childrer c. Carrier pareX Albino parent Carrier parent X Carrier parent Possible genotype of the parents Possible genotype of the parents: Nr...
For each pedigree below determine the most likely mode of inheritance and label each individual with...
For each pedigree below determine the most likely mode of
inheritance and label each individual with a genotype. If you know
they have a dominant phenotype, but don’t know the genotype, then
label them with both possibilities. Please use the alleles A and a
for autosomal modes of inheritance and XA, Xa and Ya for any types
of sex-linkage (note: an “a” is only on the Y if the trait is
Y-linked). Modes of inheritance are autosomal dominant, autosomal
recessive,...
Genetics Pedigree Worksheet 1. Use the below pedigree chart to answer the following questions about dimples....
Genetics Pedigree Worksheet 1. Use the below pedigree chart to answer the following questions about dimples. The Dimple gene controls whether a person has dimples or doesn't have dimples. Dimples is dominant to no dimples. Place the genotypes of each individual below its symbol. O Dimples gene (D) Dimples is dominant to no dimples 12 13 14 A) How many family members have Dimples? B) What is the genotype of individual 3 and 4? C) Can cither individual #8 or...
Use the pedigree shown below to answer the following questions. The pedigree is for a family...
Use the pedigree shown below to answer the following questions. The pedigree is for a family in which dark-shaded symbols represent individuals with a hereditary form of early-onset colon cancer. Numbers under the symbols are the individual's age at the time of diagnosis. Crossed through symbols means the person is deceased. A) What is the genotype of the deceased individual in generation II? B) From this pedigree, how does this trait seem to be inherited? C) What are the possible...
QUESTION 9 5 pe If the characteristic depicted in the pedigree below is rare and subject...
QUESTION 9 5 pe If the characteristic depicted in the pedigree below is rare and subject to complete penetrance, it is likely to be X-linked recessive? 5 6 7 -OOO No, because individuals ll-2 and 11-4 are not affected No, because individuals 111-4 and III-6 are not affected Yes, because individuals III-4 and III-6 are not affected Yes, because only females are affected in generation 11 1. The gene for cystic fibrosis (normal dominant allele CF and abnormal recessive allele...
Genes A and B assort independently. Match the following genotypes with the correct gamete combinations that...
Genes A and B assort independently. Match the following genotypes with the correct gamete combinations that the given genotype can produce. - : AABb A. Two, AB and aB - AaBB B. Four, AB, Ab, ab, and ab - : AaBb C. One, a - 1 aaBB D. Two, AB and Ab Coat color in mice can be agouti, albino, or black and is controlled by two genes that assort independently. Agouti color results when at least one dominant A...
1. The presence of short hairs on the leaves of tomato plants is a dominant trait...
1. The presence of short hairs on the leaves of tomato plants is a dominant trait controlled by the allele H.The corresponding recessive trait, smooth leaf, is found in plants with the genotype hh. The table below shows the progeny of three independent crosses of parental plants with genotypes and phenotypes that are unknown. Number of Progeny Hairy Leaf Smooth Leaf Cross 1: Cross 2: Cross 3: 32 42 45 24 Examine the distributions of phenotypes in the progeny of...
albinism is caused by a recessive
QUESTION 6 Albinism (lack of skin and hair pigmentation) is caused by a recessive autosomal allele. A woman and man both normally pigmented, have an albino child together. For this trait, what is the genotype of the albino child? O A. It is unknown, because not enough information is provided. O B. heterozygous O C. homozygous dominant OD.homozygous recessive O E. It depends on the environment that the child lives in. QUESTION 7 in...
1. In the pedigree below, the shaded in portions represent an albino (recessive trait). Determine the genotypes of each numbered individual and write them next to each individual. Use the letters A and a to describe the genotype and then also use the terminology homozygous dominant, heterozygous, homozygous recessive. Use a - when the second allele is no known. cho
B. Albinism Most humans (and vertebrates, in general) are genetically "programmed" to produce a brown skin pigment known as melanin. Albinism, the inability to produce melanin, is inherited in humans as an autosomal recessive trait. An individual with genotype AA or Aa will have normally pigmented skin, whereas an individual with genotype aa will produce no melanin. The albino's skin is very pale white. The white color occurs because one or more steps in the biosynthetic pathway for melanin do...
b. Use the following genetic symbols to answer the questions: Normal pigment allele N Albinism allele-n The genotype of an albino individual is The genotype of a "carrier" is The genotype of a normal individual is Use the solved example as a guide to complete the following albinism problem and predict the occurrence of this disorder in the childrer c. Carrier pareX Albino parent Carrier parent X Carrier parent Possible genotype of the parents Possible genotype of the parents: Nr...
For each pedigree below determine the most likely mode of
inheritance and label each individual with a genotype. If you know
they have a dominant phenotype, but don’t know the genotype, then
label them with both possibilities. Please use the alleles A and a
for autosomal modes of inheritance and XA, Xa and Ya for any types
of sex-linkage (note: an “a” is only on the Y if the trait is
Y-linked). Modes of inheritance are autosomal dominant, autosomal
recessive,...
Genetics Pedigree Worksheet 1. Use the below pedigree chart to answer the following questions about dimples. The Dimple gene controls whether a person has dimples or doesn't have dimples. Dimples is dominant to no dimples. Place the genotypes of each individual below its symbol. O Dimples gene (D) Dimples is dominant to no dimples 12 13 14 A) How many family members have Dimples? B) What is the genotype of individual 3 and 4? C) Can cither individual #8 or...
Use the pedigree shown below to answer the following questions. The pedigree is for a family in which dark-shaded symbols represent individuals with a hereditary form of early-onset colon cancer. Numbers under the symbols are the individual's age at the time of diagnosis. Crossed through symbols means the person is deceased. A) What is the genotype of the deceased individual in generation II? B) From this pedigree, how does this trait seem to be inherited? C) What are the possible...
QUESTION 9 5 pe If the characteristic depicted in the pedigree below is rare and subject to complete penetrance, it is likely to be X-linked recessive? 5 6 7 -OOO No, because individuals ll-2 and 11-4 are not affected No, because individuals 111-4 and III-6 are not affected Yes, because individuals III-4 and III-6 are not affected Yes, because only females are affected in generation 11 1. The gene for cystic fibrosis (normal dominant allele CF and abnormal recessive allele...
Genes A and B assort independently. Match the following genotypes with the correct gamete combinations that the given genotype can produce. - : AABb A. Two, AB and aB - AaBB B. Four, AB, Ab, ab, and ab - : AaBb C. One, a - 1 aaBB D. Two, AB and Ab Coat color in mice can be agouti, albino, or black and is controlled by two genes that assort independently. Agouti color results when at least one dominant A...
1. The presence of short hairs on the leaves of tomato plants is a dominant trait controlled by the allele H.The corresponding recessive trait, smooth leaf, is found in plants with the genotype hh. The table below shows the progeny of three independent crosses of parental plants with genotypes and phenotypes that are unknown. Number of Progeny Hairy Leaf Smooth Leaf Cross 1: Cross 2: Cross 3: 32 42 45 24 Examine the distributions of phenotypes in the progeny of...
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