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The height of pea plants is controlled by a single gene with two alleles: a dominant tall allele (T) and a recessive short allele (t). Which of the following is the genotype of a homozygous dominant pea plant?TtttTXTT 4

Question

The height of pea plants is controlled by a single gene with two alleles: a dominant tall allele (T) and a recessive short allele (t). Which of the following is the genotype of a homozygous dominant pea plant?TtttTXTT 4

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Solution

The genotype of a homozygous dominant pea plant is TT. This is because "homozygous" means that both alleles are the same, and "dominant" refers to the allele that is expressed when two different ones are present. Therefore, a homozygous dominant pea plant would have two dominant alleles, or TT.

Similar Questions

T = tall and t = shortA homozygous dominant tall pea plant is crossed with a heterozygous  pea plant. This cross would result in the following phenotype(s) of the offspring: Group of answer choices100% tall100% short75% tall and 25% short50% tall and 50% short

In the garden peas of one pair of alleles controls the height of theplant and a second pair of alleles controls flower colour. Theallele for tall (T) is dominant to the allele for dwarf (t) and theallele for purple flower colour (P) is dominant to the allele forwhite (p).a. A tall plant with purple flowers crossed with a dwarf plant withwhite flowers produced 50% tall, purple and 50% tall, whiteprogeny. What is the genotype of the parents?b. A tall plant with white flowers crossed with a dwarf plant withpurple flowers produced 25% tall purple, 25% tall white, 25%dwarf purple and 25% dwarf white individuals. What is thegenotype of the parents?

A cross between tall plant (TT) and short pea plant (tt) is inherited in progeny that was all tall plants because _______Tallness is the dominant characterShortness is the dominant characterTallness is a recessive traitHeight of pea plant is not governed by gene T or t

To determine if the genotype of a pea plant with a dominant phenotype is homozygous dominant or heterozygous, a ______ may be completed.

A particular pea plant has one allele for a tall stem (T) and one allele for a short stem (t). By observing it, you can see that it has a tall stem as well as many other different traits.Using this example, explain the difference between phenotype and genotype. Which one can be observed? Which one helps to determine the other?

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