People who can roll their tongues contain a dominant allele for tongue rolling. If people do not contain the tongue rolling gene, then they cannot roll their tongue no matter how hard they try. Consider the following situation: If a homozygous dominant tongue roller mates with a homozygous recessive non-tongue roller, then what is the probability of the offspring inheriting the tongue rolling gene?

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what is a Genetic Disorder ?

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what are splice junction mutations?

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A brown-eyed man whose father was brown-eyed and whose mother was blue-eyed married a blue-eyed woman whose mother and father were both brown-eyed. The couple has a blue-eyed son. What are the genotypes of all individuals?

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what is the difference between test cross and back cross?

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what is the difference between back cross and test cross?

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what is Human gene for height ?

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Flower position, stem length, and seed shape were three traits that were studied by Mendel. Each is controlled by an independently assorting gene. If a plant that is heterozygous for all three traits was allowed to self- fertilize, what proportion of the offspring would be expected to show all three dominant phenotypes?

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which chemical substance is generally used to obtain polyploids?

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What does it mean to say that an allele is pleiotropic?

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Is biotechnology more dangerous to other gene transfer technologies breeding?

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

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