Probability of Inheritance Answers

10 verified answers
4

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

m
monohybrid cross
d
dihybrid cross
h
homozygous cross
h
heterozygous cross
5

What is one of the reasons why Gregor Mendel chose to study pea plants?

T
They exhibit only a single trait.
T
They produce flowers.
T
They grow very slowly.
T
They reproduce sexually.
6

most likely

T
Tt ´ tt
T
Tt ´ Tt
t
tt ´ tt
T
TT ´ tt
8

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?

T
Tallness is a dominant trait.
T
The word homozygous always means dominant.
O
Only dominant alleles are passed on to offspring.
T
The alleles of the offspring were recessive.
11

The Punnett square predicts the ratio of genotypes in the offspring, based on the genotypes of the parents. The Punnett square below examines the chance of offspring having freckles, which is a dominant trait.Based on the Punnett square, what is the probability that the offspring will have freckles?

Question illustration
A
25 percent
B
50 percent
C
75 percent
D
100 percent
12

Why did Gregor Mendel choose to use purebred plants in his experiments?

A
They reproduce sexually.
B
They exhibit only one form of a trait.
C
They have a variety of traits.
D
They reproduce asexually.
13

Which describes the notation Tt for the trait of plant height?

A
homozygous genotype
B
heterozygous genotype
C
homozygous phenotype
D
heterozygous phenotype

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