Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Genetics Unit Review

Total questions: 32

Worksheet time: 25mins

Name
Class
Date
1.
B = brown fur  b = white fur
In the Punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
2.
In the Punnett square shown, what must the genotype of the missing parent be?
a)
BB
b)
Bb
c)
bb
d)
Tt
3.
Purple (P) is dominant to the white (p).
According to the Punnett Square, what is the probability of an offspring being purple?
a)
25%
b)
0%
c)
100%
d)
50%
4.

A red flowered plant (RR) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (RW) flowers? Hint: Make a Punnett Square

a)

0%

b)

25%

c)

50%

d)

100%

5.

In Andalusian fowls, black individuals (BB) and white individuals (WW) are homozygous. Heterozygous individuals are grey (BW).

Cross a black fowl with a white fowl. What is the phenotype ratio? Hint: Make a Punnett Square

a)

4 black: 0 grey: 0 white

b)

2 black: 2 grey: 0 white

c)

0 black: 4 grey: 0 white

d)

0 black: 2 grey: 2 white

6.
What goes in box 3
a)
Aabb
b)
AABB
c)
AAbb
d)
aaBb
7.
Using the dihybrid cross and key provided, what is the probability of the offspring being tall and white?
a)
9
b)
2
c)
3
d)
6
8.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
9.
Vitamin D resistant rickets (deformed bone formation) is a sex-linked DOMINANT trait.  According to the Punnett square, what percentage of female offspring will have the disorder?
a)
0%
b)
25%
c)
50%
d)
100%
10.
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
11.
This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?
a)
8
b)
5
c)
2
d)
3
12.

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

a)

HH

b)

Hh

c)

hh

13.
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
14.
What is the genotype of the mother?
a)
BB
b)
bb
c)
Bb
d)
BB or Bb
15.

If hemophilia is a sex-linked recessive trait, what genotype would individual III-3 have?

a)

XhX

b)

XhXh

c)

XhYh

d)

XhY

16.

the genetic make-up; the actual gene pair

a)

genotype

b)

phenotype

17.

the physical or visible appearance of an organism; a trait we can see

a)

genotype

b)

phenotype

18.

blue eyes, curly hair

a)

genotype

b)

phenotype

19.

Tt, BB, rr

a)

genotype

b)

phenotype

20.

TT, tt

a)

homozygous

b)

heterozygous

21.

BB, RR, TT

a)

heterozygous

b)

homozygous dominant

c)

homozygous recessive

22.

nn, ww, gg

a)

heterozygous

b)

homozygous dominant

c)

homozygous recessive

23.

Tt, Bb, Ww

a)

heterozygous

b)

homozygous dominant

c)

homozygous recessive

24.

A long-haired female rabbit and a short-haired male rabbit produced this offspring with a medium-length coat:

a)

Incomplete dominance

b)

Codominance

c)

Complete dominance

25.

Incomplete dominance occurs in cats, which allows them to be Black, White, or gray as shown on this Punnett square. What percentage of the offspring will be black?

a)

25

b)

50

c)

75

d)

100

26.

Incomplete dominance occurs in cats, which allows them to be Black, White, or gray as shown on this Punnett square. What percentage of the offspring will be white?

a)

25

b)

50

c)

0

d)

100

27.

Incomplete dominance occurs in cats, which allows them to be Black, White, or gray as shown on this Punnett square. What percentage of the offspring will be gray?

a)

25

b)

50

c)

75

d)

100

28.
B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
29.
What is the dominant trait?
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
30.
What are the possible genotypes for this cross?
(Click the picture to see it without the text)
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
31.
B = brown fur  b = white fur
In the Punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
32.
In the Punnett square shown, what must the genotype of the missing parent be?
a)
BB
b)
Bb
c)
bb
d)
Tt

Similar Resources on Wayground

Unit 6 cont. - Inc Dom - Codominance- SexLinked-BloodTypes

28 questions

Unit 6 cont. - Inc Dom - Codominance- SexLinked-BloodTypes

quiz

Worksheet

•

11th Grade

Midterm Review

32 questions

Midterm Review

quiz

Worksheet

•

9th - 10th Grade

Funciones vitales de los organismos

27 questions

Funciones vitales de los organismos

quiz

Worksheet

•

12th Grade - University

Quiz .

27 questions

Quiz .

quiz

Worksheet

•

9th Grade

AgAlign Certification Study Guide

27 questions

AgAlign Certification Study Guide

quiz

Worksheet

•

9th Grade

Vocabulary Review: Disease Unit

27 questions

Vocabulary Review: Disease Unit

quiz

Worksheet

•

10th Grade

Beneath the Surface

30 questions

Beneath the Surface

quiz

Worksheet

•

6th - 8th Grade

Pedigree Chart

28 questions

Pedigree Chart

quiz

Worksheet

•

6th Grade - University