Laws of Inheritance

Question 1

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Revolt · Accepted Answer

75 percent

Question 2

Gregor Mendel crossed homozygous tall plants (TT) with homozygous short plants (tt). All the resulting offspring were tall. From these results, what conclusion did Mendel draw?

Revolt · Accepted Answer

Tallness is a dominant trait.

Question 3

A plant can produce either purple flowers or white flowers. The purple flower color is dominant over the white flower color. What is the ratio of the offspring with purple flowers to the total number of offspring if two plants that are heterozygous for purple flowers are crossed?

Revolt · Accepted Answer

3:4

Question 4

Which describes the mating of organisms that have different homozygous alleles for a single trait?

Revolt · Accepted Answer

monohybrid cross

Question 5

There are two different alleles for flower color, P and p. The image shows a purple sweet pea that is labeled with its two alleles for petal color.Which is the genotype of the sweet pea?

Revolt · Accepted Answer

homozygous dominant

Question 6

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Revolt · Accepted Answer

9:16

Question 7

The Punnett square predicts the ratio of genotypes in the offspring, based on the genotypes of the parents. In this cross, tallness (H) is dominant to shortness (h).Based on the Punnett square, what is the phenotype of the offspring?

Revolt · Accepted Answer

tall

Question 8

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Revolt · Accepted Answer

They exhibit only one form of a trait.

Question 9

In pea plants, tallness (T) is dominant to shortness (t). What are the predicted percentages of the genotypes of the offspring if a homozygous short plant is crossed with a heterozygous tall plant?

Revolt · Accepted Answer

50 percent Tt, 50 percent tt

Question 10

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Revolt · Accepted Answer

Pp ´ Pp

Laws of Inheritance Answers

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