What does it mean to say that an allele of one gene is epistatic to that of another?

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In snapdragons tallness (T) is dominant to dwarfness (t). Red flowers are produced by RR and white flowers by rr but the heterozygous Rr is pink. A dwarf red snapdragon is crossed to a homozygous tall plant with white flowers. What is the phenotypic ratio of the F1? the F2?

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what are the sex linked traits in humanbeings?

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our hair comes from our mother's father.Is it true or not?

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Are there alternatives to Genetic Engineering?

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Is Genetic Engineering worth the cost and effort?

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what is the connection between a chromatid and a replicated DNA molecule?

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In sesame, the one-pod condition (P) is dominant to the three-pod condition (p), and normal leaf (L) is dominant over wrinkled leaf (l). The two characters are inherited independently. Determine the genotypes and phenotypes of the two plants which produce the following progeny: 318 one- pod normal, 98 one-pod wrinkled, 323 three-pod normal and 104 three-pod wrinkled.

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which chemical substance is generally used to obtain polyploids?

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Explain steps involved in transcription?

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Are dominant genes related to dominant traits?

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Why do we age?

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