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Melanin Module 1 Quiz Review Genetic Puzzles

Total questions: 40

Worksheet time: 31mins

Name
Class
Date
1.

Alleles symbolized by an uppercase letter (R).

a)

recessive

b)

dominant

2.

The pair of alleles an individual has for a trait.

a)

Genotype

b)

Phenotype

c)

Chromotype

d)

Karyotype

3.

Term that means "different genes."

a)

Homozygous

b)

Heterozygous

4.

Choose the heterozygous genotype.

a)

Hh

b)

hh

c)

HH

5.

Choose the homozygous recessive genotype.

a)

Hh

b)

hh

c)

HH

6.

Genotype codes for the physical expression of a trait. This is called ___________.

a)

phenotype

b)

holotype

c)

karyotype

d)

allotype

7.
Name the following 
AA
a)
Homozygous Dominant 
b)
Homozygous Ressessive
c)
Heterzygous
d)
Heterozygous Dominant
8.

BB

a)

Homozygous

b)

Heterozygous

9.

Bb

a)

Homozygous

b)

Heterozygous

10.

One mouse parent has black fur. One mouse parent has white fur. These colors describe the mouse's _________.

a)

phenotype

b)

genotype

c)

health

11.

Which answer choice below is an example of a GENOTYPE?

a)

black

b)

FF

c)

mouse

12.

Which example below is a RECESSIVE allele?

a)

F

b)

f

c)

black

13.

This is a pedigree that follows blue eyes which is a recessive trait. What is the phenotype of the mother (circle) in generation 1?

a)

Brown

b)

Blue

c)

1 blue, 1 brown

14.

On a pedigree how do we know if they have the trait?

a)

Not shaded

b)

Shaded

15.
How many females are in this pedigree?
a)
3
b)
4
c)
6
d)
7
16.
What does a filled in square represent?
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
17.

Shaded people are homozygous recessive! What is the genotype for person III-3?

a)
GG
b)
Gg
c)
gg
d)
we cannot be 100% sure of the genotype
18.

Shaded people are homozygous recessive! What is the genotype for person II-4?

a)
GG
b)
Gg
c)
gg
d)
we cannot be 100% sure of the genotype
19.
B = brown fur  b = white fur
In the Punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
20.
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%
21.
In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?
a)
25%
b)
0%
c)
100%
d)
50%
22.
What is the yellow seed genotype?
a)
aa
b)
Aa
c)
AA
d)
AA or Aa
23.
What is the genotypic ratio here?
a)
25% blue eye 75 % brown eye 
b)
BB = 25% Bb = 50% bb = 25%
c)
BB= 50 % bb = 50%
d)
All brown eye
24.

What genotype would go in box 4?

a)
BB
b)
Bb
c)
bb
25.
What genotype would go in box 3?
a)
BB
b)
Bb
c)
bb
26.

What is the probability of heterozygous offspring?

a)

25%

b)

50%

c)

0%

d)

100%

27.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
28.

What is the cell process called that produces sex cells?

a)

Mitosis

b)

Meiosis

c)

Photosynthesis

d)

Cellular Respiration

29.
What is an advantage of sexual reproduction?
a)

Allows for variety in offspring (babies)

b)
Only needs one parent
c)
Offspring are exact copies of parent
30.

In which type of reproduction do the sperm and egg cell join?

a)

asexual

b)

sexual

31.

Asexual reproduction has

a)

1 parent

b)

2 parents

32.

Asexual reproduction creates offspring that are

a)

genetically identical to the parent

b)

different from the parent

c)

different from each other

d)

formed by 2 parents

33.

What type of reproduction is shown in the picture?

a)

asexual

b)

sexual

c)

artificial

34.
The process on the left is:
The process on the right is:
a)
Left: meiosis
Right: meiosis
b)
Left: meiosis
Right: cloning
c)
Left: mitosis
Right: meiosis
d)
Left: mitosis
Right: mitosis
35.
After meiosis is complete, the new cells:
a)
are all identical
b)
are all different
c)
are half identical and half different
d)
are all stretched out
36.

What type of reproduction is shown here?

a)

Asexual

b)

Sexual

c)

Mitosis

37.

Is this a male or female?

a)

Male

b)

Female

38.

By looking at the chromosomes how can you tell that this person is biologically female?

a)

Because there are two X chromosomes

b)

Because there are more chromosomes than in a male

39.

Can you identify the disorder?

a)

There is only one X

b)

7 is shaped like a hockey stick

c)

There's an extra 21

40.

Can you identify the disorder?

a)

Chromosomes 1 and 2 are bent

b)

There is no Y chromosome

c)

This persons chromosomes are normal

d)

There are 3 of chromosomes 18

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