WorksheetsProbability
Total questions: 21
Worksheet time: 20mins
Name
Class
Date
1.
Aa, DD, Bb, and yy are all examples of
a)
genotypes
b)
phenotypes
2.
AA and Aa always show up as
a)
dominant
b)
recessive
3.
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?
a)
0 in 4
b)
1 in 4
c)
2 in 4
d)
4 in 4
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 flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?
a)
rr
b)
R
c)
RR
d)
RR or Rr
7.
Which of the following characteristics is a lion's offspring not going to inherit?
a)
fur color
b)
length of tail
c)
scars on leg
d)
body size
8.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
9.
Aa is
a)
homozygous
b)
heterozygous
10.
aa always shows up as
a)
dominant
b)
recessive
11.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
12.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
13.
What gender has an X and a Y chromosome?
a)
male
b)
female
14.
Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.
a)
DNA
b)
protein
c)
RNA
d)
glucose nucleic acid (GNA)
15.
What does a Punnett Square do?
a)
tell you exactly what your offspring will look like
b)
increase the chance you pass on recessive traits
c)
predict genotypes and phenotypes in offspring
16.
What is the yellow seed genotype?
a)
aa
b)
Aa
c)
AA
d)
AA or Aa
17.
What is the dominant trait?
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
18.
This type of inheritance pattern is a MIXTURE of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
19.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
20.
In some carnations, flower color exhibits codominance. Identify the correct genotypes for red, white, and speckled carnations.
a)
Red = RR, white = rr, speckled = Rr
b)
Red = RR, white = WW, speckled = rw
c)
Red = RR, white = ww, Speckled = Rw
d)
Red = RR, white = WW, speckled = RW
21.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
Incomplete Dominance
b)
Co-dominance
c)
Independent assortment
d)
Recessive inheritance
100 %
