NEW
Font size
S
M
L
XL
WorksheetsGenetics
Total questions: 16
Worksheet time: 20mins
Name
Class
Date
1.
What is heredity?
a)
A kind of genetic disorder
b)
The way DNA divides
c)
A trait you inherit from your parents
d)
The passing down of traits from parents to children
2.
Who is considered the "father" of modern genetics?
a)
Einstein
b)
Mendel
c)
Disney
d)
Washington
3.
What type of "square" helps us solve genetic problems?
a)
carpenter square
b)
Mendel square
c)
Punnett square
d)
genetic square
4.
TT,tt,PP,pp,SS,ss are examples of alleles that are?
a)
homozygous
b)
heterozygous
c)
different
d)
homologous
5.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
6.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
7.
Which of the following alleles is homozygous (purebred) recessive?
a)
Tt
b)
tt
c)
TT
d)
t
8.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous genes
d)
mutated DNA
9.
Aa is
a)
homozygous (purebred)
b)
heterozygous (hybrid)
10.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
11.
How many chromosomes are in a sex cell?
a)
46
b)
23
c)
26
d)
43
12.
Which of the characteristics is a lion least likely to pass on to its offspring?
a)
fur color
b)
length of tail
c)
scars on leg
d)
body size
13.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
14.
How many boxes would say BB?
a)
1
b)
2
c)
4
d)
0
15.
If B = brown hair and b = blonde hair, what is the probability of brown hair?
a)
25%
b)
50%
c)
0%
d)
75%
16.
What is the probability of homozygous dominant offspring?
a)
0%
b)
100%
c)
50%
d)
25%
Reset
