WorksheetsGenetics Review
Total questions: 20
Worksheet time: 14mins
Name
Class
Date
1.
What is the phenotype in the bottom right square? (Yellow is dominant and green is recessive)
a)
yy
b)
Yy
c)
yellow
d)
green
2.
Which of the following is the genotype for a homozygous recessive trait?
a)
gg
b)
Gg
c)
GG
3.
What % of the offspring in the Punnet square are heterozygous?
a)
25%
b)
50%
c)
75%
d)
100%
4.
What type of letters are used to show a trait is dominant?
a)
capital
b)
lowercase
5.
What are traits that aren't dominant over each other but whose heterozygous outcome is a combination of the two equally but separately?
a)
pure dominance
b)
incomplete dominance
c)
co-dominance
d)
simple dominance
6.
What is the type of dominance when the two traits aren't dominant over each other, but whose heterozygous outcome is blended?
a)
co-dominance
b)
simple dominance
c)
incomplete dominance
d)
non-dominance
7.
pp is an example of why type of genotype?
a)
homozygous recessive
b)
heterozygous recessive
c)
homozygous dominant
d)
heterozygous dominant
8.
PP is what type of genotype?
a)
homozygous recessive
b)
heterozygous recessive
c)
homozygous dominant
d)
homozygous recessive
9.
Pp is an example what type of genotype?
a)
homozygous recessive
b)
homozygous dominant
c)
heterozygous dominant
10.
What is one or more alternative forms of a gene?
a)
chromosome
b)
genotype
c)
phenotype
d)
allele
11.
What type of letter show s a recessive trait?
a)
capital
b)
lowercase
12.
What is the study of heredity?
a)
genetics
b)
cell biology
c)
chemistry
d)
botany
13.
Who was the father of genetics?
a)
Mendel
b)
Einstein
c)
Redi
d)
Pasteur
14.
What is a trait that can be hidden?
a)
dominant
b)
recessive
c)
sneaky
d)
recess time
15.
What is the transmission of traits from parent to offspring?
a)
heredity
b)
genetics
c)
cell bio
d)
chem
16.
What is a trait that will always show itself?
a)
recessive
b)
dominant
c)
one from the dad
d)
one from the mom
17.
This is the term for genes a person has for a trait?
a)
genotype
b)
phenotype
18.
This is the physical appearance of a trait.
a)
genotype
b)
phenotype
19.
If there is a cross of a red and white chicken, and the trait is co-dominant, what will be the result?
a)
a blended color
b)
a speckled chicken
20.
If red and white have incomplete dominance for a trait, and a red flower is crossed with a white flower, what will be the result?
a)
a spoted flower
b)
a blended flower
100 %
