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Chap. 10 (Meiosis & Genetics) Final Exam Review

Total questions: 48

Worksheet time: 26mins

Name
Class
Date
1.

Reduction division that produces gamete

a)

mitosis

b)

meiosis

c)

replication

d)

translation

2.

Specific characteristic of an organism, such as body color, is called a

a)

genes

b)

homozygous

c)

trait

d)

gametes

3.

What is the end result of meiosis?

a)

2 genetically identical diploid somatic cells

b)

2 genetically different haploid somatic cells

c)

4 genetically identical diploid gametes

d)

4 genetically different haploid gametes

4.

What is the process that occurs in Prophase I where two chromosomes exchange genetic material?

a)

sharing

b)

crossing over

c)

splitting

d)

none of the above

5.

A body cell is also called a ___________cell. These cells make up most of your body tissues and organs

a)

prokaryotic

b)

zygote

c)

mutated

d)

somatic

6.

Brown hair is a _______

a)

Genotype

b)

Phenotype

7.

This allele will mask the other allele

a)

Recessive

b)

Dominant

c)

Gene

d)

Independent

8.

This is used to predict the traits of an offspring

a)

Punnett Square

b)

Karyotype

c)

Nondisjunction

9.

A genotype in which the two alleles of a gene are different

a)

Heterozygous

b)

Homozygous

c)

Dominant trait

d)

Recessive trait

10.

What is a phenotype

a)

The genetic make up (code)

b)

The physical trait

11.

What is it called when a sperm and egg meet?

a)

meiosis

b)

fertilization

c)

cell division

d)

mitosis

12.

What predicted percentage of the offspring will be heterozygous?

a)

100%

b)

75%

c)

50%

d)

25%

13.

Crossing over helps promote 

a)

male genotype

b)

genetic variation

c)

DNA replication

d)

mitosis

14.

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

15.

Aa, DD, bB, yy are all examples of

a)

genotypes

b)

phenotypes

16.

Who is considered the "father" of genetics?

a)

Mr. Einstein

b)

Mrs. Deitche

c)

Mr. Mendel

d)

Mr. Darwin

17.

Which of Mendel's laws states that alleles are separated during meiosis?

a)

Law of Dominance

b)

Law of Segregation

c)

Law of Independent Assortment

18.

Which of Mendel's laws states that alleles are distributed to gametes independent of one another?

a)

Law of Dominance

b)

Law of Segregation

c)

Law of Independent Assortment

19.

The physical expression or observable characteristics or outward expression of an allele pair.

a)

Genotype

b)

Phenotype

c)

Genes

d)

Genetics

e)

Allele

20.

An organism with two of the same alleles for a particular trait.

(Example: YY or yy).

a)

Homozygous

b)

Heterozygous

c)

Polyploidy

d)

Haploid

e)

Diploid

21.

Fertilization occurs when

a)

The sperm unites with the egg

b)

The sperm undergoes meiosis

c)

The egg undergoes meiosis

d)

The egg and sperm undergoes meiosis

22.

The end of meiosis results in  ____ to each other.

a)

2 cells that are identical

b)

4 cells that are identical

c)

2 cells that are not identical

d)

4 cells that are not identical

23.

A human being has a somatic cell that has 46 chromosomes.  What is the haploid number found in a gamete?

a)

23

b)

46

c)

69

d)

92

24.

How many times in meiosis does the cell divided?

a)

2

b)

4

c)

3

d)

1

25.

The Punnett Square is used to

a)

Find the White Flower

b)

Calculate Probability

c)

Punt

d)

Square the results of the traits

26.

This diagram  shows which cellular process that occurs in organisms?

a)

endocytosis

b)

mitosis

c)

meiosis

d)

phagocytosis

27.

How many PAIRS of chromosomes do humans typically have?

a)

23

b)

46

c)

12

d)

92

28.

What is the primary purpose of meiosis in sexual reproduction?

a)

To reduce the chromosome number by half

b)

To replicate DNA without division

c)

To increase genetic diversity through mitosis

d)

To produce identical somatic cells

29.

Which phase of meiosis is characterized by the separation of homologous chromosomes?

a)

Telophase I

b)

Anaphase I

c)

Metaphase I

d)

Prophase I

30.

What is the term for the genetic makeup of an organism?

a)

Allele

b)

Genotype

c)

Trait

d)

Phenotype

31.

Red (R) is dominant over white (r). How can a flower be white?

a)

It can have RR and be white.

b)

It has to have rr.

c)

It has to have rR

d)

There is no way it can be white until the third generation.

32.

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

33.

What is the missing pairing?

a)

AA

b)

Aa

c)

aa

34.

What is the relationship between DNA and chromosomes?

a)

Chromosomes are made of DNA

b)

DNA is made of chromosomes

c)

DNA and chromosomes are the same thing.

d)

All of the above are correct

35.

How many pairs of chromosomes exist in each of your cells?

a)

10

b)

12

c)

23

d)

46

36.

Which is the correct phenotype for this organism?

a)

BB

b)

blue

c)

green

d)

bb

37.

If "T" is the allele for tall and "t" is the allele for short, then Tt would produce?

a)

tall

b)

short

c)

medium

d)

not enough info

38.

The material that controls which traits are expressed in an organism.

a)

Gene

b)

Allele

c)

Trait

d)

Genotype

39.

Green peas plants (G) are dominant over yellow pea plants (g). What genotype(s) would produce a yellow pea plant?

a)

GG

b)

Gg

c)

gg

d)

Gy

40.

This punnett square shows incomplete dominance in snap dragons. What do the Rr alleles represent?

a)

heterozygous traits

b)

homozygous recessive traits

c)

homozygous dominant traits

41.

In what type of cells does meiosis occur?

a)

Liver cells

b)

All living cells

c)

Reproductive Cells

d)

Somatic Cells

42.

If an organism's somatic cells have 26 chromosomes, how many chromosomes will its gametes have?

a)

26

b)

13

c)

52

d)

8

43.

Diploid Cells are represented by

a)

2n

b)

n

c)

4n

d)

1/2 n

44.

What phase is shown here?

a)

Prophase II

b)

Metaphase I

c)

Metaphase II

d)

Anaphase I

45.

What phase is shown here?

a)

Metaphase II

b)

Telophase I

c)

Telophase II

d)

Metaphase I

46.

What phase is shown here?

a)

Anaphase I

b)

Prophase I

c)

Metaphase II

d)

 Metaphase I

47.

What phase is shown here?

a)

Telophase II

b)

Anaphase II

c)

Metaphase I

d)

Interphase I

48.

Explain the karyotype of this individual

a)

Male - no genetic defect

b)

Male - Down's Syndrome

c)

Female - no genetic defect

d)

Female - Down's Syndrome

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