For plant stem length, the dominant allele for height is T and the recessive allele is t. If a heterozygous parent for tall stem length crossed with a homozygous recessive parent for short stem length, what would be the phenotypes of the offspring? Include the probability percentages or fractions in your answer.

Tall(Tt), Tall(Tt), Short(tt), Short(tt),  50% Tall stems, 50% Short stems

Explanation:

If the Tall plant is heterozygous it means that there is a dominant allele for Tall (T), but the short (t) allele is still present. Therefore the genotype for this parent would be Tt. Homozygous means that there are two of the same allele, so in this case Homozygous recessive would be tt.The probability of offspring from these two parents can be determined from a Punnet Square or the Foil method ( which I have shown further ). Equation: Tt*tt

First-  First Terms of each parent; T*t

Outer- First Term of first parent and Last Term of second parent; T*t

Inner- Last Term of first parent and First Term of second parent; t*t

Last- Last Term of first parent and Last Term of second parent; t*t

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what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

c. live where it’s cold and icy