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Genetics Test Review

Total questions: 35

Worksheet time: 2hrs 32mins

Name
Class
Date
1.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
2.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both 
3.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
4.

What is the purpose of Mitosis?

a)

To reproduce gametes.

b)

Asexual reproduction, and cell regeneration

c)

Sexual Reproduction

5.
When a cell divides, what do we call the 2 new cells?
a)
mother cells
b)
father cells
c)
daughter cells
d)
son cells
6.
When you start with 1 cell, at the end of mitosis, how many identical cells will you have?
a)
1
b)
2
c)
3
d)
4
7.
After meiosis is complete how many cells will there be?
a)
1
b)
2
c)
3
d)
4
8.
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
9.
Give the genotype for person III-3
a)
GG
b)
Gg
c)
gg
10.
Give the genotype for person II-1
a)
GG
b)
Gg
c)
gg
11.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
12.

Which of these individuals is NOT correctly matched for their genotype?

a)

Individual III-3 is EE

b)

Individual II-4 is ee

c)

Individual I-2 is Ee

13.

What is the genotype for the following allele set?

TT

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

d)

heterozygous dominant

14.

What is the genotype for the following allele set?

Gg

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

d)

heterozygous dominant

15.

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

a)

double helix

b)

contains ribose

c)

made of amino acids

d)

contains Uracil

16.

Choose the proper base pairs below. (Choose ALL that apply)

a)

Guanine & Cytosine

b)

Thymine & Adenine

c)

Cytosine & Adenine

d)

Adenine & Guanine

e)

Thymine & Guanine

17.
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
18.
The drawing shows the structure of what molecule?
a)
A DNA molecule
b)
A lipid molecule
c)
A carbohydrate molecule
d)
A protein molecule
19.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
20.
Tightly wound DNA is known as 
a)
DNA Replication
b)
Chromosomes
c)
Chromatin
d)
Genes
21.
What kind of information does DNA carry?
a)
genetic
b)
nuclear
c)
cell structure
d)
it doesn't carry any info
22.

Which series is arranged in order from largest to smallest in size?

a)

chromosome, nucleus, cell, DNA

b)

cell, nucleus, chromosome, DNA

c)

chromosome, cell, DNA, nucleus

d)

cell, nucleus, DNA, chromosome

23.
DNA contains the code for constructing which molecules?
a)
proteins
b)
starches
c)
fats
d)
sugars
24.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
25.
Genes are unable to determine a person's
a)
eye color
b)
athletic ability
c)
shape of ears
d)
type of chin
26.
The pictures below show two dogs. The instructions determining the color of their fur are found in their cell...
a)
cytoplasm
b)
membrane
c)
mitochondria
d)
chromosomes
27.
What percent of genetic information is passed from each parent?
a)
50%
b)
25%
c)
2%
d)
100%
28.
Which is NOT an example of an inherited trait
a)
language
b)
hair color
c)
eye color
d)
nose shape
29.
a)
This is DNA
b)
This is a gene
c)
This is a chromosome
30.

Mitosis produces... (Choose ALL that apply)

a)

egg cells

b)

blood cells

c)

plant seed

d)

sperm cells

e)

brain cells

31.

Meiosis produces... (Choose ALL that apply)

a)

egg cells

b)

blood cells

c)

plant seed

d)

sperm cells

e)

brain cells

32.

Choose the responses that best represent Mitosis or asexual reproduction. (Choose ALL that apply)

a)

DNA from two parents combines to create an offspring with unique DNA

b)

A parent organism splits in half and creates two offspring with identical DNA

c)

DNA is copied in the parent organism before cell division

d)

A sperm cell and egg cell combine to create a new organism

33.

Choose the responses that best represent Meiosis or sexual reproduction. (Choose ALL that apply)

a)

DNA from two parents combines to create an offspring with unique DNA

b)

A parent organism splits in half and creates two offspring with identical DNA

c)

DNA is copied in the parent organism before cell division

d)

A sperm cell and egg cell combine to create a new organism

34.

Which process requires meiosis?

a)

asexual reproduction

b)

sexual reproduction

35.

Choose the answers that best describe replication and repetition.

a)

Repetition occurs when a scientist repeats the same procedures several times within their own experiment.

b)

Replication is when a scientist copies the procedures of another scientist.

c)

Replication occurs when a scientist repeats the same procedures several times within their own experiment.

d)

Repetition is when a scientist copies the procedures of another scientist.

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