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WorksheetsGenetics Review
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
If a pea plant has purple flowers, is this the plant's phenotype or genotype?
a)
Phenotype
b)
Genotype
c)
Neither
d)
Both
2.
Which of the following shows the correct base pair rule?
a)
A-T; G-C
b)
A-C, G-T
c)
A-G, C-t
3.
If B=blue and b=yellow, the genotype for a yellow plant would be...
a)
BB
b)
Bb
c)
bb
d)
All choices result in yellow
4.
If S=Short and s=Tall, SS and Ss would result in the following phenotype...
a)
short
b)
tall
c)
both tall and short
d)
neither tall nor short
5.
Which is the correct order from BIGGEST to SMALLEST?
a)
chromosome→DNA→gene→nucleotide
b)
DNA→Chromosome→gene→nucleotide
c)
Nucleotide→gene→DNA→Chromosome
d)
Gene→Chromosome→DNA→Nucleotide
6.
Mutations are always bad.
a)
True
b)
False
7.
Who was the father of genetics
a)
Sagan
b)
Issac Newton
c)
Gregor Mendel
d)
C.jenkins
8.
which is heterozygous ?
a)
Tt
b)
TT
9.
the genetic makeup of an organism
a)
heterozygous
b)
punnet square
c)
genotype
10.
Which is homozygous ?
a)
Zz
b)
SS
11.
A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?
a)
100% BB
b)
75% BB and 25%Bb
c)
50 % BB and 50% Bb
d)
50% Bb and 50% bb
12.
Squidward has light blue skin, and his genotype for this trait is Bb. Would Squidward be considered a purebred or hybrid for light blue skin?
a)
Purebred
b)
Hybrid
13.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
14.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
15.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
16.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
17.
A heterozygous yellow pea plant's genotype would be:
a)
YY
b)
yy
c)
Yy
d)
Yg
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