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WorksheetsMendelian Genetics
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
Match the following
heterozygous
Yy
phenotype
YY
homozygous
Y
recessive
y
dominant
yellow pea plants
2.
The work of the monk ________ laid the groundwork for the study of genetics.
a)
Darwin
b)
Watson
c)
Mendel
d)
Franklin
3.
TT,tt,PP,pp,SS,ss are examples of alleles that are?
a)
homozygous
b)
heterozygous
c)
different
d)
homologous
4.
If "T" is the allele for tall and "t" is the allele for short, then Tt would produce?
a)
tall
b)
short
c)
medium
d)
not enough info
5.
Which of the following alleles is homozygous (purebred) recessive?
a)
TT
b)
Tt
c)
tt
d)
ts
6.
The different forms of a gene are called ---
a)
traits
b)
hybrids
c)
alleles
7.
Which gentotype would be considered heterozygous?
a)
Rr
b)
RR
c)
rr
d)
YY
8.
G = green, g = yellow
The genotype for a yellow plant is...
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
9.
AA and Aa always show up as
a)
dominant
b)
recessive
c)
heterozygous
d)
homozygous
10.
tt, small letters are ______
a)
DNA
b)
dominant
c)
recessive
11.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
12.
If the 2 alleles of a trait are different, the individual is ______.
a)
Homozygous
b)
Heterozygous
13.
If the 2 alleles of a trait are the same, the individual is ______.
a)
Homozygous
b)
Heterozygous
14.
An organism’s genetic makeup or allele combination.
a)
Genotype
b)
Phenotype
c)
Beanotype
d)
Notype
15.
How many letters does a genotype contain?
a)
1
b)
2
c)
3
d)
4
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