Questions from Genetics


Q: In cocker spaniels, solid coat color is dominant over spotted coat

In cocker spaniels, solid coat color is dominant over spotted coat color. If two heterozygous dogs were crossed to each other, what would be the probability of the following combinations of offspring?...

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Q: A cross was made between a white male dog and two different

A cross was made between a white male dog and two different black females. The first female gave birth to eight black pups, and the second female gave birth to four white and three black pups. What ar...

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Q: In humans, the allele for brown eye color (B)

In humans, the allele for brown eye color (B) is dominant to that for blue eye color (b). If two heterozygous parents produce children, what are the following probabilities? A. The first two children...

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Q: Albinism, a condition characterized by a partial or total lack of

Albinism, a condition characterized by a partial or total lack of skin pigment, is a recessive human trait. If a phenotypically unaffected couple produce an albino child, what is the probability that...

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Q: What is the difference between cross-fertilization and self-fertilization

What is the difference between cross-fertilization and self-fertilization?

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Q: A true-breeding tall plant was crossed to a dwarf plant

A true-breeding tall plant was crossed to a dwarf plant. Tallness is a dominant trait. The F1 individuals were allowed to self-fertilize. What are the following probabilities for the F2 generation? A...

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Q: For pea plants with the following genotypes, list the possible gametes

For pea plants with the following genotypes, list the possible gametes that the plant can make: A. TT Yy Rr C. Tt Yy Rr B. Tt YY rr D. tt Yy rr

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Q: An individual has the genotype Aa Bb Cc and makes an abnormal

An individual has the genotype Aa Bb Cc and makes an abnormal gamete with the genotype AaBc. Does this gamete violate the law of independent assortment or the law of segregation (or both)? Explain you...

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Q: At which stage do homologous chromosomes separate from each other?

At which stage do homologous chromosomes separate from each other?

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Q: In people with maple syrup urine disease, the body is unable

In people with maple syrup urine disease, the body is unable to metabolize the amino acids leucine, isoleucine, and valine. One of the symptoms is that the urine smells like maple syrup. An unaffected...

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