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Please answer all questions



1

The physical appearance of the individual is called the phenotype.
A)True
B)False
2

A recessive allele must be received by both parents to bring about a recessive phenotype.
A)True
B)False
3

A genotype of 2 lowercase letters represents homozygous recessive.
A)True
B)False
4

An individual with a heterozygous genotype will have the phenotype of the dominant trait.
A)True
B)False
5

For an individual to show the dominant trait, he must have both dominant alleles.
A)True
B)False
6

The zygote receives one set of alleles for a trait from each of the parents.
A)True
B)False
7

Each child has a 50% chance of having a recessive phenotype if one parent is heterozygous and the other is pure recessive.
A)True
B)False
8

A monohybrid cross is used to show possible results from the crossing of 1 pair of alleles.
A)True
B)False
9

A Punnett square is used to show all sperm, egg, and gamete combinations possible for a particular mating.
A)True
B)False
10

Exact phenotype ratios are seen with a small number of offspring.
A)True
B)False
11

There is no way to tell if an individual with a dominant phenotype is homozygous dominant or heterozygous.
A)True
B)False
12

Multifactorial inheritance results in a continuous variation of phenotypes.
A)True
B)False
13

With continuous variation of traits, all phenotypes occur with the same frequency.
A)True
B)False
14

The environment can influence the expression of multifactorial traits.
A)True
B)False
15

Co-dominance occurs when the off-spring are intermediate in their phenotypes as compared to the parents.
A)True
B)False
16

Human blood type is an example of continuous variation.
A)True
B)False
17

When two people with medium-brown skin reproduce with one another, the children will all have medium-brown skin.
A)True
B)False
18

The Rh factor is inherited jointly with A, B, AB, or O blood types.
A)True
B)False
19

Regarding x-linked recessive genetic conditions, both males and females are affected with equal frequency.
A)True
B)False
20

Color-blind females are rare because they must receive the allele from both parents.
A)True
B)False
21

A sex-linked trait is carried on the X-chromosome with no matching allele on the Y-chromosome.
A)True
B)False
22

Color-blindness is a co-dominant trait.
A)True
B)False
23

Sex-linked traits determine gender.
A)True
B)False







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