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QUIZIZZ - UNIT TEST GENETICS

Total questions: 65

Worksheet time: 2hrs 42mins

Name
Class
Date
1.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
2.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
3.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
4.
Incomplete dominance means that the traits are
a)
expressed equally
b)
dominant
c)
recessive
d)
blended
5.
One form of a gene is called_______________
a)
a DNA
b)
a Phenotype
c)
a trait
d)
an allele
6.
If green is dominant over purple, then what is the genotype for this individual?
a)
Purple
b)
Green
c)
GG
d)
gg
7.
Which is the correct phenotype for this organism?
a)
BB
b)
blue
c)
green
d)
bb
8.
In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?
a)
Tall = T
Short = S
b)
Tall = T
Short = t
c)
Tall = t
Short = T
d)
Tall = TT
Short = tt
9.
A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?
a)
0%
b)
25%
c)
50%
d)
75%
10.

Which of the following genotypes is homozygous dominant?

a)

Yy

b)

yY

c)

yy

d)

YY

11.

What is the genotypic ratio of the offspring?

a)

3:1

b)

1:3

c)

1:2:1

d)

2:2

12.

What are the phenotype percentages of the offspring?

(A-Brown fur color; a-white fur color)

a)

50 % Brown fur and 50% White fur

b)

25 % Brown fur and 75% White fur

c)

75 % Brown fur and 25% White fur

d)

0% Brown fur and 100% White fur

13.
What are the possible genotypes for this cross?
(Click the picture to see it without the text)
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
14.
If you cross a black guinea pig with a white guinea pig and the offspring are gray, what type of dominant trait would that be.
a)
incomplete dominance
b)
codominance
c)
codependant
d)
cooperative
15.

B=Brown fur

b=tan fur

What percent of the offspring would be tan when you cross BbxBb?

a)

75%

b)

25%

c)

50%

d)

100%

16.
In rabbits, black fur (B) is dominant over brown fur (b). If a rabbit has brown fur, what can you conclude about its genotype?
a)
It is BB.
b)
It is Bb
c)
It is brown
d)
It is bb.
17.
This punnett square shows a cross between
a)
A hybrid Parent and a Homozygous parent
b)
A heterozygous parent and a heterozygous parent
c)
Two homozygous parents
d)
Two Hybrid Parents
18.
This is an example of
a)
Complete dominance
b)
Mendelian Genetics
c)
Codominance
d)
Incomplete Dominance
19.
 One dog carries homozygous, long-haired traits (SS), and its mate carries homozygous short-haired traits (ss). Use a Punnett square to determine the probability of one of their offspring having long hair.
a)
100%
b)
75%
c)
50%
d)
25%
20.
Why are there no white rabbit babies?
a)
The white gene is not present in any of the babies.
b)
It takes two recessive genes to show the trait.
c)
Grey is a better color.
d)
Baby five will be white.
21.

When you cross two parents, each parent is responsible for passing _______ of their two alleles for each individual trait.

a)

1

b)

2

c)

3

d)

4

22.

Grey (G) fur is dominant to brown (g) fur in mice. What would be the genotype of a mouse that is homozygous dominant?

a)

GG

b)

Gg

c)

gg

d)

GGG

23.

Grey (G) fur is dominant to brown (g) fur in mice. What would be the genotype of a mouse that is heterozygous?

a)

GG

b)

Gg

c)

gg

d)

GGG

24.

How many human genetic disorders are known?

a)

1

b)

100

c)

Thousands

d)

None

25.

Who was Gregor Mendel?

a)

Father of genetics

b)

Father of cells

c)

Coined the term heredity

d)

No one

26.

If Mom is type A, and Dad is type AB, can their kid be type o?

a)

Yes

b)

No

27.

What is AA

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous Recessive

d)

Heterozygous dominant

28.

What is Aa

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous Recessive

d)

Heterozygous dominant

29.

What is aa

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous Recessive

d)

Heterozygous dominant

30.

True or False: Mendel used pea plants because they grow quickly and have distinctly different colored flowers.

a)

true

b)

false

31.

True or False: Self pollination is when a male plant and a female plant cross pollinate

a)

true

b)

false

32.

True or False: Human cells have a diploid number of 40

a)

true

b)

false

33.

Having two different allele forms for a particular gene. Ex. Aa

a)

Heterozygous

b)

Homozygous

c)

Dominant

d)

Recessive

34.

True or False: You can be blood type AB because A and B are co-dominant

a)

true

b)

false

35.

The genetic makeup of an organism. Example BB

a)

genotype

b)

phenotype

c)

Dominant

d)

Recessive

36.

The physical look or the organism, such as brown eyes

a)

genotype

b)

phenotype

c)

Dominant

d)

Recessive

37.

The more prevalent form of the gene, written as a capitol letter. Ex. A

a)

genotype

b)

phenotype

c)

Dominant

d)

Recessive

38.

Codominant and incompletely dominant traits have three phenotypes instead of two. How many alleles (versions of the gene) are involved?

a)

1

b)

2

c)

3

d)

4

39.

In snapdragons, flower color is an incompletely dominant trait. Which genotype will lead to a third blended phenotype?

a)

Homozygous dominant

b)

Heterozygous

c)

Homozygous recessive

40.

Red is incompletely dominant to white in snapdragons. Which cross would result in 100% pink flowers?

a)

RR x rr

b)

rr x rr

c)

Rr x Rr

d)

RR x RR

41.

In humans, curly hair is dominant to straight hair, and wavy hair is an intermediate texture. Which explanation most likely accounts for wavy hair?

a)

a mutation occurred, producing wavy hair

b)

a different set of genes resulted in wavy hair

c)

inheritance occurred through incomplete dominance

d)

inheritance occurred as a result of a gene from only one parent

42.

In chickens, black is co dominant with white feathers. Which cross would result in 50% black and white feathers?

a)

BW x BW

b)

BB x WW

c)

BW x WW

d)

WW x BB

43.

In a certain breed of cattle, both red and white hairs show up together. This is an example of which type of inheritance pattern?

a)

incomplete dominance

b)

codominance

c)

multiple alleles

d)

polygenic inheritance

44.

What is name for traits that are controlled by many genes such as height and skin color?

a)

complete dominance

b)

incomplete dominance

c)

co dominance

d)

polygenic

e)

multiple alleles

45.

What are the genotypes for type A blood?

a)

IAIA

b)

IAIB

c)

IAi

d)

IBIB

e)

ii

46.

A child has blood type AB. Which blood types would his parents most likely have?

a)

B and O

b)

O and A

c)

A and B

d)

AB and O

47.

Which could NOT result from a cross between IAIB and IAi?

a)

Type A Blood

b)

Type B Blood

c)

Type AB Blood

d)

Type O Blood

48.
Having two of the SAME alleles for a trait (example HH or hh):
a)
homozygous
b)
heterozygous
c)
recessive
d)
whack, dawg.
49.
What is the cause of some traits "skipping" a generation?
a)
dominant traits
b)
recessive traits
c)
blind dumb luck
d)
homologous chromosomes
50.
An allele whose trait only shows up when no dominant allele is present.
a)
stealth ninja spider-monkey allele
b)
dominant allele
c)
recessive allele
d)
present allele
51.
This type of inheritance pattern is a MIXTURE of both traits, like the old theory of blending
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
52.
This type of inheritance pattern shows BOTH traits in possible offspring:
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
Indomitable 
53.
When two or more alleles for a trait exist in a population.  Ex: Different hair colors or blood types
a)
SHAZAM!
b)
Multiple Genes
c)
Multiple Alleles
d)
Polysaccharide
54.
An organism's genetic make-up, like having a TT or Tt allele:
a)
phenotype
b)
genotype
c)
dominant
d)
recessive
55.
In this Punnett Square, bb is crossed with BB. What is the probability of a resulting Bb?
a)
0%
b)
25%
c)
50%
d)
100%
56.
Having two different alleles for a trait (example Hh):
a)
homozygous
b)
heterozygous
c)
dominant
d)
purebred
57.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
BB
58.
In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?
a)
rr
b)
R
c)
RR
d)
RR or Rr
59.

What you see, or the visible result of heredity.

a)

Genotype

b)

Phenotype

c)

Homozygous

d)

Heterozygous

60.
___________is the likelihood, or chance, that a certain event will occur.
a)
Chuck Norris
b)
Probability
c)
Locus
d)
Inheritance
61.
G = green, g = yellow
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
62.

Which of the following genotypes is homozygous dominant?

a)

type A blood

b)

Aa

c)

AA

d)

aa

63.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
64.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
65.
In the punnett square shown, what must the genotype of the missing parent be?
a)
BB
b)
Bb
c)
bb
d)
Tt

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