Quiz about Patterns of Inheritance

Question 1

Genes are ...

Accepted Answer

Segment of DNA on chromosome that control a trait or characteristic

Answer

That is hidden whenever the dominant allele is present

Answer

A number of how an event occur

Answer

An organism that has two different alleles for a trait

Question 2

Dominant alleles are alleles whose trait ......... shows up when the alleles is present.

Accepted Answer

always

Answer

never

Answer

sometimes

Answer

usually

Question 3

Different forms of a gene

Accepted Answer

Allele

Answer

Punnett square

Answer

Gene

Answer

Homozygous

Question 4

What is HOMOZYGOUS?

Accepted Answer

AA or aa

Accepted Answer

Organism that has identical alleles for a trait

Answer

Aa

Answer

Organism that has two different alleles for a trait

Question 5

What is HETEROZYGOUS?

Accepted Answer

Aa

Accepted Answer

Organism that has two different alleles for a trait

Answer

AA or aa

Answer

Organism that has identical alleles for a trait

Question 6

An organism's physical appearance or visible trait.

Accepted Answer

Phenotype

Answer

Genotype

Question 7

An organism's genetic makeup or alleles.

Accepted Answer

Genotype

Answer

Phenotype

Question 8

What type of inheritance do two alleles have if their traits blend together?

Accepted Answer

Incomplete Dominance

Answer

Co-Dominance

Answer

Mendelian Inheritance

Answer

Homozygous Inheritance

Question 9

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

Accepted Answer

Co dominance

Answer

Incomplete Dominance

Answer

Independent assortment

Answer

Recessive inheritance

Question 10

This is an example of ___________?

Accepted Answer

Incomplete dominance

Answer

Co-Dominance

Question 11

Tt is-

Accepted Answer

heterozygous

Answer

homozygous dominant

Answer

homozygous recessive

Answer

none of these

Question 12

If a pea plant were homozygous recessive for height, how would its alleles be represented?

Accepted Answer

tt

Answer

TT

Answer

Tt

Answer

tT

Question 13

Which of the following is an example of a heterozygous genotype?

Accepted Answer

Rr

Answer

RR

Answer

rr

Question 14

The letters on the TOP AND SIDE of a punnett square represent ______________.

Accepted Answer

The possible alleles given by the parents following meiosis.

Answer

The combination of alleles in offspring.

Answer

The genotype and phenotype of offspring.

Answer

The results of genetic mutations in offspring.

Question 15

What is the predicted percentage of homozygous recessive offspring in this cross?

Accepted Answer

50%

Answer

0%

Answer

25%

Answer

75%

Question 16

This type of inheritance pattern shows BOTH traits in possible offspring

Accepted Answer

co-dominance

Answer

complete dominance

Answer

incomplete dominance

Answer

dominant pattern

Question 17

Why do we see only tall plants in the second generation?

Accepted Answer

The gene for tall height is dominant

Answer

The gene for short height is dominant

Answer

The gene for tall height is recessive

Answer

The parents did not have the tall gene

Question 18

this image is an example of

Accepted Answer

incomplete dominance

Answer

codominance

Answer

dominance

Question 19

A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:

Accepted Answer

checkered black and white

Answer

all black

Answer

all white

Answer

all gray

Question 20

The term for the different forms of a trait.

Accepted Answer

Alleles

Answer

DNA

Answer

Chromosomes

Answer

Genes

Question 21

What pattern of inheritance are skin color and height examples of? Note that the individual's phenotype exists somewhere along a spectrum.

Accepted Answer

polygenic inheritance

Answer

multiple alleles

Answer

linked genes

Answer

incomplete dominance

Question 22

A characteristic, such as red-green color blindness, that is controlled by genes on the X chromosome. These recessive traits show up more often in males than females.

Accepted Answer

X-linked trait

Answer

codominance

Answer

polygenic trait

Answer

multiple alleles

Question 23

Aa, DD, Bb, yy are all examples of

Accepted Answer

genotypes

Answer

phenotypes

Question 24

How many alleles (letters) do each person carry for a trait?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 25

Which of these would best be described as a phenotype?

Accepted Answer

blue eyes

Answer

mutation

Answer

Bb

Answer

Tt

Question 26

G = green, g = yellow
The genotype for a yellow plant is...

Accepted Answer

gg

Answer

GG

Answer

Gg

Answer

all of the choices result in yellow

Question 27

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

Accepted Answer

25%

Answer

0 %

Answer

50%

Answer

75%

Question 28

How many alleles (letters) does a child get from each parent for each trait?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 29

When you cross two heterozygotes, what is the probability that their children will express the recessive trait?

Accepted Answer

25%

Answer

50%

Answer

75%

Answer

100%

Question 30

In simple Mendelian inheritance, is it possible for a homozygous recessive genotype to produce the dominant trait phenotype?

Accepted Answer

No

Answer

Yes

Question 31

Fur color in rabbits is controlled by one gene with many options for the color. What type of inheritance pattern does this represent?

Accepted Answer

Multiple Alleles

Answer

Incomplete Dominance

Answer

Codominance

Answer

Polygenic Inheritance

Question 32

Blood type is determined by _______ alleles

Accepted Answer

Multiple

Answer

One

Answer

Two

Question 33

Controlled by more than one gene.

Accepted Answer

Polygenic characteristics

Answer

Codominance

Answer

Incomplete dominance.

Patterns of Inheritance

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