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Congenital Hearing Loss Quiz
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If a homozygous recessive individual for congenital hearing loss (hh) crosses with a heterozygous individual (Hh), what are the possible genotypes of their offspring? You may need to create a pedigree for this problem.A. 25% HH, 50% Hh, 25% hh B. 75% Hh, 25% hh C. 50% Hh, 50% hh D. 100% Hh
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In terms of gene expression, which statement is true regarding congenital hearing loss when observing an individual's outer traits?A. The phenotype is being observed. The phenotype is the observable trait, while the genotype is the underlying genetic makeup. B. The genotype is being observed. The phenotype is the observable trait, while the genotype is the underlying genetic makeup. C. The genotype is being observed. The genotype is the observable trait, while the phenotype is the underlying genetic makeup. D. The phenotype is being observed. The genotype is the observable trait, while the phenotype is the underlying genetic makeup.
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What is one of the most common genetic causes of congenital hearing loss?A. Viral infections B. POU3F4 gene C. GJB2 gene D. Only environmental factors can influence congenital hearing loss
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If both parents are homozygous recessive (represented by small d) for congenital hearing loss, what will be the genotype of their children?A. 100% DD B. 50% DD, 50% Dd C. 100% dd
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A child was born with a defective POU3F4 gene. What traits will the infant have?A. The baby functions typically. B. The inner ear is undeveloped. C. The infant will not have the proper gap functions.
Congenital Hearing Loss Quiz (Answer Key)
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If a homozygous recessive individual for congenital hearing loss (hh) crosses with a heterozygous individual (Hh), what are the possible genotypes of their offspring? You may need to create a pedigree for this problem.A. 25% HH, 50% Hh, 25% hh B. 75% Hh, 25% hh C. 50% Hh, 50% hh D. 100% Hh
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In terms of gene expression, which statement is true regarding congenital hearing loss when observing an individual's outer traits?A. The phenotype is being observed. The phenotype is the observable trait, while the genotype is the underlying genetic makeup. B. The genotype is being observed. The phenotype is the observable trait, while the genotype is the underlying genetic makeup. C. The genotype is being observed. The genotype is the observable trait, while the phenotype is the underlying genetic makeup. D. The phenotype is being observed. The genotype is the observable trait, while the phenotype is the underlying genetic makeup.
-
What is one of the most common genetic causes of congenital hearing loss?A. Viral infections B. POU3F4 gene C. GJB2 gene D. Only environmental factors can influence congenital hearing loss
-
If both parents are homozygous recessive (represented by small d) for congenital hearing loss, what will be the genotype of their children?A. 100% DD B. 50% DD, 50% Dd C. 100% dd
-
A child was born with a defective POU3F4 gene. What traits will the infant have?A. The baby functions typically. B. The inner ear is undeveloped. C. The infant will not have the proper gap functions.
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