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Reproduction and Heredity Test

Total questions: 45

Worksheet time: 2hrs 36mins

Name
Class
Date
1.

Gregor Mendel discovered fundamental laws of inheritance and that genes come in pairs of distinctive units. What did he experiment with to discover the passing down of dominant and recessive traits?

a)

brown mice

b)

pea plants

c)

tall plants

d)

red roses

2.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
3.

If we were to look inside a normal male muscle cell, how many total chromosomes would we find?

a)

2

b)

54

c)

23

d)

46

4.

If we were to look inside a male sperm cell, also known as a sex cell, what sex chromosome(s) would we find?

a)

One X and one Y

b)

Two X

c)

Two Y

5.

Heterozygous is when...

a)

the alleles are the same

b)

the alleles are different

c)

the alleles are absent

d)

the alleles are present

6.

Homozygous is when...

a)

the alleles are the same

b)

the alleles are different

c)

the alleles are absent

d)

the alleles are present

7.

In a species of flower the allele for red flowers is CO-DOMINANT with the allele for white flowers. If a pure red flower (RR) is crossed with a pure white flower (WW) all the offspring will have what phenotype?

a)
b)
c)
d)
8.

What type of allele relationship is represented in the picture?

a)

Dominant and recessive

b)

Co-dominant

c)

Incomplete dominant

d)

A mutation

9.

What is the longest stage of the cell cycle called when the cell is growing and going through normal functions?

a)

Cytokinesis

b)

Metaphase

c)

Interphase

d)

G1 Phase

10.

Which of the following best describes the structure of a DNA molecule?

a)

double helix

b)

contains ribose

c)

made of amino acids

d)

contains Uracil

11.

Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.)

a)

proteins

b)

nucleotides

c)

fatty acids

d)

polysaccharides

12.

The set of genes in your DNA known as your genotype:

a)

are the traits we actually have

b)

are the genes we carry

c)

are the genes from one parent

d)

are all of your DNA

13.

When a human male goes through meiosis he produces four haploid reproductive cells with 23 chromosomes that are also known as:

a)

zygotes

b)

gametes

c)

diploids

d)

fertilities

14.

The PROCESS in sexual reproduction in which male and female reproductive cells (gamete) join to form a new cell called a zygote

a)

fertilization

b)

mitosis

c)

asexual reproduction

d)

Interphase

15.

The passing of traits from parents to offspring is known as:

a)

genetics

b)

pedigrees

c)

heredity

d)

mitosis

16.
a)

Prophase

b)

Interphase

c)

Anaphase

d)

Telophase

17.
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
18.
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
19.
a)
Cytokinesis
b)
Anaphase
c)
Telophase
d)
Prophase
20.
Chromosomes condense from long stands into rod like structures. 
a)
Prophase
b)
Interphase
21.

Where does a cell contain it's genetic material?

a)

nucleus

b)

cytoplasm

c)

cytoskeleton

d)

golgi apparatus

22.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
23.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
24.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
25.

At the end of mitosis you have _____ cells

a)

identical

b)

different

c)

identical twins

d)

variety

26.
products of meiosis are genetically
a)
different
b)
identical
27.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
28.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
29.

What is the correct complimentary strand for the following DNA sequence? ATCGAG

a)

TACGAG

b)

ATCGAG

c)

TAGCTG

d)

TAGCTC

30.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
31.

For RNA, What is thymine replaced with?

a)

Uracil

b)

mRNA

c)

tRNA

d)

Ribo

32.

In fertilization when chromosomes of the same gene sequence or "of the same type" are joined in a zygote, the chromosomes are called:

a)

homologous chromosomes

b)

identical chromosomes

c)

X chromosomes

33.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
34.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
35.
How many boxes would say BB?
a)
1
b)
2
c)
4
d)
0
36.
What is the genotypic ratio here
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
37.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
38.
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
39.
In asexual reproduction, all of the offspring are:
a)
Physically Identical
b)
Genetically Identical
c)
Physically and Genetically Identical
d)
Not Identical
40.

A hydra reproduces when an outgrowth, or bud, forms and continues to develop until it falls off of the parent. This is an example of:

a)

Binary Fission

b)

Sporulation

c)

Budding

d)

Vegetative Propagation

41.

In the second generation-how many people are carriers of the trait but do not have the trait?

a)

2

b)

3

c)

5

d)

6

42.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
43.

This pedigree represents the inheritance of hemophilia in this family. Hemophilia is a disorder where your blodd doesn't clot correctly. How many of the females have the hemophilia trait?

a)

8

b)

5

c)

2

d)

3

44.
DNA contains the bases Adenine, Guanine, Cytosine and Thymine.  Which base is replaced in RNA by another base?
a)
Adenine is replaced by Uracil
b)
Thymine is replaced by Uracil
c)
Guanine is replaced by Uracil
d)
Cytosine is replaced  Uracil
45.
A series of amino acids linked together will produce a __________________.
a)
carbohydrate
b)
protein
c)
lipid
d)
sugar

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