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Questions and Answers
If a person has a genotype with a 50% chance of being gold and a 50% chance of being white, what is the most likely genotype?
If a person has a genotype with a 50% chance of being gold and a 50% chance of being white, what is the most likely genotype?
A person has a genotype composed of 100% gold. Which of the following statements is true about this genotype?
A person has a genotype composed of 100% gold. Which of the following statements is true about this genotype?
If a person expresses both 'reddish-brown' and 'gold' phenotypes, but not 'white', what is the most likely explanation?
If a person expresses both 'reddish-brown' and 'gold' phenotypes, but not 'white', what is the most likely explanation?
Considering the given genotypes, which of the following statements about the 'white' trait is accurate?
Considering the given genotypes, which of the following statements about the 'white' trait is accurate?
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If two individuals, one with a 50% gold and 50% white genotype and the other with a 25% reddish-brown, 50% gold, and 25% white genotype, were to reproduce, what would be the probability of their offspring having a 100% gold genotype?
If two individuals, one with a 50% gold and 50% white genotype and the other with a 25% reddish-brown, 50% gold, and 25% white genotype, were to reproduce, what would be the probability of their offspring having a 100% gold genotype?
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Two individuals, one with a 100% gold genotype and the other with a 100% white genotype, reproduce. What is the most likely phenotype of their offspring?
Two individuals, one with a 100% gold genotype and the other with a 100% white genotype, reproduce. What is the most likely phenotype of their offspring?
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If a person has a 25% reddish-brown, 50% gold, and 25% white genotype, what is the probability of their offspring having a 100% white genotype? Assume a simple Mendelian inheritance.
If a person has a 25% reddish-brown, 50% gold, and 25% white genotype, what is the probability of their offspring having a 100% white genotype? Assume a simple Mendelian inheritance.
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What is the probability that the first child of two healthy carrier spouses of an autosomal recessive disease will be affected?
What is the probability that the first child of two healthy carrier spouses of an autosomal recessive disease will be affected?
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An individual male with 47 chromosomes due to an extra chromosome 13 is classified as:
An individual male with 47 chromosomes due to an extra chromosome 13 is classified as:
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A healthy carrier woman of Duchenne muscular dystrophy is having a male child. What is the chance he will have the disease?
A healthy carrier woman of Duchenne muscular dystrophy is having a male child. What is the chance he will have the disease?
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How many autosomes are present in a haploid human genetic set?
How many autosomes are present in a haploid human genetic set?
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What defines a dominant character in genetics?
What defines a dominant character in genetics?
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If a black female rabbit is crossed with a white male rabbit, what is the expected probability of producing black offspring?
If a black female rabbit is crossed with a white male rabbit, what is the expected probability of producing black offspring?
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For a couple, where one is heterozygous for an autosomal recessive mutation and the other is homozygous sick, what is the probability of having a sick child?
For a couple, where one is heterozygous for an autosomal recessive mutation and the other is homozygous sick, what is the probability of having a sick child?
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What is the karyotype associated with Down syndrome?
What is the karyotype associated with Down syndrome?
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Study Notes
Genetics Questions and Answers
- Question 1: Probability of a child inheriting an autosomal recessive disease from two carrier parents is 25%.
- Question 2: A person with 47 chromosomes, including an extra chromosome 13, is trisomic.
- Question 3: A female carrier for X-linked recessive Duchenne muscular dystrophy has a 50% chance of having an affected male child.
- Question 4: A human haploid set contains 23 autosomes.
- Question 5: A dominant trait is expressed in both homozygous and heterozygous individuals.
- Question 6: In rabbits with black (dominant) and white (recessive) fur, a heterozygous black female crossed with a white male has a 50% probability of producing black offspring.
- Question 7: If one parent is heterozygous for an autosomal recessive mutation and the other is homozygous affected, the probability of a child inheriting the condition is 50%.
- Question 8: Down syndrome's karyotype is 47, (+21).
- Question 9: Aneuploidy involves having an abnormal number of chromosomes, specifically less than or more than the usual number in a cell.
- Question 10: A white male horse crossed with a heterozygous gold female horse has an expected offspring result of 50% gold and 50% white.
- Question 11: Alleles in a genotype consist of one from each parent.
- Question 12: A carrier for cystic fibrosis, an autosomal recessive disease, is heterozygous.
- Question 13: In a balanced reciprocal translocation, there is no gain or loss of genetic material.
- Question 14: Klinefelter syndrome has a karyotype of 47, XXY.
- Question 15: Chorionic villus sampling (CVS) is performed around the 15th week of pregnancy. (Note: This is one method for prenatal diagnosis).
- Question 16: If a male with an autosomal dominant disorder marries a healthy female, there is a 50% chance their child will inherit the condition.
- Question 17: Different mutations in the same gene cause different forms of the same genetic disorder. This is called allelic heterogeneity.
- Question 18: 45, X karyotype corresponds to Turner syndrome.
- Question 19: Consanguinity (blood relation) increases the risk of recessive genetic disorders.
- Question 20: The most probable inheritance pattern for a given pedigree (family tree) is autosomal recessive.
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Test your knowledge of genetic inheritance patterns with this quiz. From autosomal recessive diseases to chromosome anomalies, each question explores crucial concepts in genetics. Perfect for students and enthusiasts alike!
