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WorksheetsGenetics - Monohybrid Cross
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
One of the two forms of a gene is called a(n)
a)
genotype
b)
allele
c)
hybrid
d)
trait
2.
In watermelons, green rinds (G) are dominant to striped rinds (g). What is the genotype of a heterozygous green watermelon?
a)
GG
b)
Gg
c)
gg
d)
green
3.
In this example, the child displays the ________ trait.
a)
dominant
b)
recessive
4.
A __________ allele always shows up in an organism when the it is present.
a)
dominant
b)
hybrid
5.
The study of heredity is called ____.
a)
traits
b)
heredity
c)
genetics
d)
pedigree
6.
bb is an example of
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
d)
none of these
7.
Recessive alleles are written using
a)
capital
b)
lowercase
c)
both
d)
neither
8.
Dominant alleles are written using
a)
capital
b)
lowercase
c)
both
d)
neither
9.
Which of the following is a phenotype?
a)
AA
b)
AB
c)
black fur
d)
Tt
10.
Objective #5
(B-brown eyes & b-blue eyes)
Cross (Dad)Bb X (Mom)BB.
List the possible genotypes from this cross.
a)
Bb, BB
b)
BB
c)
BB, Bb
d)
bb,Bb
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