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Meiosis and Genetics Review for Test

Total questions: 57

Worksheet time: 2hrs 54mins

Name
Class
Date
1.
A human usually has xx amount of chromosomes.
a)
6
b)
22
c)
4
d)
46
2.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
3.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
4.
Unlike mitosis, meiosis in male mammals results in the formation of
a)
one haploid gamete
b)
three diploid gametes
c)
four diploid gametes
d)
four haploid gametes
5.
If a somatic cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
a)
3
b)
6
c)
12
d)
24
6.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
7.
Which of these cells would be produced through meiosis?
a)
skin cells
b)
liver cells
c)
brain cells
d)
sperm cells
8.
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
a)
20
b)
40
c)
80
d)
160
9.
What is another reason we need meiosis?
a)
So the offspring has genes from both parents
b)
So the offspring has genes from one parent
c)
So the offspring has genes from neither parents
d)
So the offspring makes its own genes
10.
What phase is shown here?
a)
Metaphase II
b)
Telophase I
c)
Telophase II
d)
Metaphase I
11.
What phases is shown here?
a)
Prophase II
b)
Prophase I
c)
Anaphase II
d)
Interphase I
12.
What phase is shown here?
a)
Anaphase I
b)
Prophase I
c)
Metaphase II
d)
 Metaphase I
13.
What phase is shown here?
a)
Telophase II
b)
Anaphase II
c)
Metaphase I
d)
Interphase I
14.
What phase is shown here?
a)
Telophase I
b)
Metaphase II
c)
Telophase II
d)
Anaphase I
15.

Identify a purpose of meiosis. Select all that apply.

a)

Produce gametes for reproduction.

b)

Repair damaged or dead cells.

c)

Reduce the chromosome number.

d)

Growth of organisms from birth to adulthood.

16.

Identify a purpose of mitosis. Select all that apply.

a)

Produce gametes for reproduction.

b)

Repair damaged or dead cells.

c)

Reduce the chromosome number.

d)

Growth of organisms from birth to adulthood.

17.
Which best describes the process shown?
a)
nondisjunction
b)
mitosis
c)
independent assortment
d)
crossing over
18.
The haploid number of chromosomes for humans is ____.
a)
46
b)
43
c)
23
d)
26
19.
How many times in meiosis does the cell divide?
a)
2
b)
4
c)
3
d)
1
20.

What phase is this?

a)

Metaphase I

b)

Prophase II

c)

Telophase I

d)

Anaphase II

21.

Sex cells divide using a process called meiosis

a)

True

b)

False

22.

Muscle cells, brain cells, and liver cells are all examples of

a)

Somatic cells

b)

Gametes

c)

Sex cells

d)

Reproductive cells

23.

How many daughter cells are created during mitosis?

a)

1

b)

2

c)

3

d)

4

24.

Crossing over occurs during

a)

Prophase I

b)

Prophase II

c)

Metaphase I

d)

Anaphase II

e)

Telophase II

25.

With Mitosis, The daughter cells are genetically _____.             

a)

Different.

b)

Identical.

c)

Very similar.

d)

Crossed over.

26.

With Meiosis, the daughter cells are genetically _____.             

a)

Damaged.

b)

Identical.

c)

Not identical.

d)

Diploid.

27.
A pair of identical chromosomes shown in a karyotype, one inherited from mom, and one inherited from dad are called
a)
sister chromotids
b)
centromeres
c)
homologous chromosomes
d)
autosomes
28.
What is an advantage of sexual reproduction?
a)
Allows genetic variation
b)
Only needs one parent
c)
Happens very quickly
d)
Offspring are exact copies of parent
29.

How many alleles do you inherit from EACH parent for a specific trait?

a)

1

b)

2

30.

A tool used to predict the probability of offspring inheriting certain traits is called a ...

a)

karyotype

b)

Punnett Square

31.

The study of heredity is called ....

a)

biology

b)

genetics

c)

chemistry

32.

The physical expression of a trait is called the ...

a)

genotype

b)

phenotype

33.

Segments of DNA that code for traits are called ....

a)

genes

b)

proteins

c)

alleles

34.

Genotype: TT

a)

homozygous dominant

b)

homozygous recessive

c)

heterozygous dominant

35.

Genotype: Aa

a)

homozygous dominant

b)

homozygous recessive

c)

heterozygous dominant

36.

Cross 2 heterozygous tall pea plants. Tall (T) is dominant to short (t). What fraction of the offspring do you predict will be tall?

a)

1/4

b)

2/4

c)

3/4

d)

4/4

37.

Which of the following is a PHENOTYPE for flower color in pea plants?

a)

Pp

b)

PP

c)

Purple

38.

In pea plants, tall (T) is dominant over short (t). If two heterozygous tall pea plants are mated, what is the the expected genotypic ratio of their offspring?

a)

3 tall : 1 short

b)

1 TT : 2 Tt : 1 tt

39.

In the problem shown, what must the genotype of the missing parent be?

a)

BB

b)

Bb

c)

bb

40.

The different forms or versions of a gene are called ...

a)

alleles

b)

gametes

41.

In humans, freckles (F) on the skin are dominant to no freckles (f).  If a heterozygous parent and a recessive parent conceive, what is the chances of having a child with NO FRECKLES?

a)

0%

b)

50%

c)

100%

42.

In guinea pigs, the allele for rough coat (R) is dominant over the allele for smooth coat (r).  A homozygous dominant guinea pig and a homozygous recessive guinea pig are mated.

What would be the phenotype of the offspring?

a)

100% rough coat

b)

100% smooth coat

43.

Genotype: rr

a)

homozygous dominant

b)

homozygous recessive

c)

heterozygous dominant

44.
What type of inheritance do two alleles have if their traits blend together? 
a)
Incomplete Dominance
b)
Co-Dominance
45.

When one allele is not dominant over the other, resulting in both traits expressed in a heterozygous individual.....

a)

Incomplete Dominance

b)

Codominance

46.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
47.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
48.

A woman with curly hair and a man with straight hair produced a child with wavy hair:

a)

Incomplete dominance

b)

Codominance

c)

Complete dominance

49.

You have two flowers. The red allele shows incomplete dominance over the white allele.

You breed a red flower (RR) with a white flower (rr).

What do you think the offspring will look like?

a)

All red

b)

All white

c)

All pink

50.

Red flowers (R) show incomplete dominance over white flowers (r). Cross two pink flowers (Rr).

What percentage of the offspring will have pink flowers?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

51.

Red hair (R) and white hair (W) are codominant in cows. They produce a cow with both red and white spots, called "roan", when mixed.

Cross a white cow (WW) with a roan cow (RW).

What percentage will be roan?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

52.

This picture shows what the red blood cell of someone with sickle cell anemia. This disorder is carried on the X chromosome and is most common in sub-saharan populations. What type of inheritance pattern must it follow?

a)

codominance

b)

sex-linked inheritance

c)

multiple allele inheritance

d)

incomplete dominance

53.
How many phenotypes are there in ABO blood types?
a)
3
b)
4
c)
6
d)
12
54.
The image shows the pattern of inheritance for colorblindness.  From this diagram we can tell that colorblindness is
a)
a codominant trait
b)
a sex-linked trait
c)
carried on the Y chromosome
d)
is associated with a dominant allele
55.
How much of your DNA do you inherit from your mom?
a)
10%
b)
25%
c)
50%
d)
it varies
56.
Homozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
57.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present

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