Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Test Review

Total questions: 54

Worksheet time: 1hrs 10mins

Name
Class
Date
1.

Dominant alleles are represented by a:

a)

capital letter

b)

lowercase letter

2.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
3.

What is the likelihood that the offspring will be yellow?

a)

0%

b)

25%

c)

50%

d)

75%

4.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
5.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
6.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both 
7.
Look at the picture. The probability that a child will inherit the recessive trait is
a)
25%
b)
50%
c)
75%
d)
100%
8.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
9.

An example of a heterozygous gene is

a)

FF

b)

ff

c)

Ff

10.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
11.
Alternative forms of a gene are called
a)
Alleles
b)
Homozygous
c)
DNA
d)
Genetics
12.
Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's genotype?
a)
BB
b)
bb
c)
Bb
d)
bB
13.

Punnett Square

a)

a genetic factor that blocks another genetic factor

b)

a genetic factor that is blocked by the presence of a dominant factor

c)

physical appearance of a trait

d)

a model used to predict possible genotypes and phenotypes of offspring

14.

In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r). What is the sex and eye color of flies with the following genotype: X R X r ?

a)

male with white eyes

b)

female with red eyes

c)

male with red eyes

d)

female with white eyes

15.

In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r). What is the sex and eye color of flies with the following genotype: X R Y ?

a)

male with white eyes

b)

female with white eyes

c)

male with red eyes

d)

female with red eyes

16.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be what?
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
17.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?
a)
XHXh
b)
XhXh
c)
XHXH
d)
XhY
18.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
19.

Look at this cross: XB XB x Xb Y

What proportion/percent of the male children are colorblind?

a)

100%

b)

75%

c)

25%

d)

0%

20.

Look at this cross: XBXb x XBY


What proportion of the male children are colorblind?

a)

100%

b)

75%

c)

50%

d)

25%

21.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
22.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
23.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
24.
What is another name for enzymes?
a)
chemical catalysts
b)
microorganisms
c)
biological catalysts
d)
inorganic catalysts
25.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
26.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
27.
What is structure A?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
28.
What is structure D?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
29.
What is structure E, F, G?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
30.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
31.
Enzymes are...
a)
nucleic acids
b)
proteins
c)
lipids
d)
carbohydrates
32.

A disease caused by mutation in the genetic material or DNA

a)

Cloning Disease

b)

Mutant disease

c)

Genetic disease

d)

All of the Above

33.

Which term refers to physical characteristics that are studied in genetics?

a)

offspring

b)

traits

c)

generations

d)

hybrids

34.

What does DNA stand for

a)

Ribonucleic acid

b)

Deoxyribonuceic acid

35.

What scientific name is given to DNA that refers to its two-sided, spiral shape?

a)

Twisted ladder

b)

Double helix

36.

What are the three components of a DNA molecule?

a)

Phosphate group, deoxyribose, nitrogen base

b)

Phosphate group, ribose, nitrogen base

37.

Which bond holds the two nitrogen bases together?

a)

Nitrogen bonds

b)

Hydrogen bonds

38.

What type of sugar is found in DNA?

a)

Glucose

b)

Deoxyribose

39.

If one strand of DNA has the base sequence ATGGCT the complementary strand would contain:

a)

TACCGA

b)

ATGGCT

40.

A small segment of DNA that contains the instructions for building a particular protein.

a)

Nucleotide

b)

Gene

41.

What type of heredity is shown in the pedigree?

a)

Sex-Linked Dominant

b)

Sex-Linked Recessive

c)

Autosomal Dominant

d)

Autosomal Recessive

42.

If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?

a)

HH

b)

Hh

c)

hh

43.
There are no carriers for Huntington's Disease- you either have it or you don't. Is Huntington's disease caused by a dominant or recessive trait?
a)
Dominant
b)
Recessive
44.
Huntington's Disease is a dominant trait.
What is the correct genotype for individual I-2?
a)
HH
b)
Hh
c)
hh
d)
H_
45.

The pedigree is showing a _____________ trait.

a)

autosomal dominant

b)

autosomal recessive

c)

sex linked recessive

46.
What is the genotype of the mother?
a)
BB
b)
bb
c)
Bb
d)
BB or Bb
47.

Chromosomes 1 through 22; chromosomes that contain genes for characteristics not directly related to the sex of an organism.

a)

Homologous chromosome

b)

Autosome

c)

Sex chromosome

d)

gamete

48.

CROSSING OVER INCREASES

a)

LIFE SPAN

b)

GENETIC VARIATION

c)

THE NUMBER OF OFF-SPRING

d)

ALL ARE TRUE

49.
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
50.

Meiosis makes

a)

somatic cells

b)

sex cells (gametes)

51.

Mitosis makes

a)

genetically identical daughter cells

b)

unique daughter cells

52.

Meiosis makes

a)

unique daughter cells

b)

identical daughter cells

53.

True or False: Gametes (sex cells) have half the number of chromosomes has body cells (somatic cells)

a)

True

b)

False

54.

When two gametes (egg and sperm) combine, a ___ is created

a)

homologous cell

b)

gamete

c)

zygote

d)

embryo

Similar Resources on Wayground

Cell Growth and Division Study Guide

54 questions

Cell Growth and Division Study Guide

quiz

Worksheet

•

9th - 10th Grade

Characteristics of science

56 questions

Characteristics of science

quiz

Worksheet

•

9th - 12th Grade

EOC Prep 2

51 questions

EOC Prep 2

quiz

Worksheet

•

9th - 12th Grade

Chapter 2 - Chemistry of Life

50 questions

Chapter 2 - Chemistry of Life

quiz

Worksheet

•

10th - 12th Grade

Human Major Muscles

52 questions

Human Major Muscles

quiz

Worksheet

•

7th - 10th Grade

TCHS Semester Exam Part 2

51 questions

TCHS Semester Exam Part 2

quiz

Worksheet

•

9th - 12th Grade

Steps 1 and 2 of Photosynthesis

57 questions

Steps 1 and 2 of Photosynthesis

quiz

Worksheet

•

10th - 12th Grade

Those genes, though!

50 questions

Those genes, though!

quiz

Worksheet

•

KG - University