The gene for tallness (T) is dominant over the gene for shortness (t) in pea plants. A homozygous dominant pea plant is crossed with a heterozygous pea plant, and 200 seeds are produced. Approximately how many of these seeds can be expected to produce plants that are homozygous dominant?

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What is genetic testing?

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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 happens in Dislexia, genetic or brain damage ?

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Is Jurassic Park -- Completely impossible?

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what is genetic mutation?

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which chemical substance is generally used to obtain polyploids?

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What are the benefits/risks when company traditional and genetically engineered breeding?

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Consider two linked autosomal genes. The dominant allele C of the first gene causes cataracts of the eye, whereas its recessive allele produces normal eyes. The dominant allele P causes polydactyly (an extra finger) whereas its allele (p) produces a normal number of fingers. A man with cataracts and normal fingers marries a woman with polydactyly and normal eyes. Their son has both polydactyly and cataracts and he marries a woman with neither trait. What is the probability that their first child will have cataracts and polydactyly?

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• Is male child having more genital sequence as of father or mother?

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You want to select a bacterium that has obtained a genetic marker conferring resistance to tetracycline. How would you accomplish this?

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what is totipotency

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