Worksheetspedigree quiz
Total questions: 15
Worksheet time: 23mins
Name
Class
Date
1.
In a pedigree, what shape represents a male?
a)
circle
b)
square
c)
triangle
d)
diamond
2.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
3.
If a trait SKIPS a generation, it is an indication that the trait is....
a)
dominant
b)
recessive
c)
incompletely dominant
d)
co-dominant
4.
Which of these would best be described as a phenotype?
a)
Bb
b)
Pp
c)
Brown hair
d)
Mutation
5.
One flower is heterozygous red (Rr) and it is crossed with a homozygous white (rr) plant. Use a Punnett square to determine the probability of one of their offspring having a white color.
a)
100%
b)
25%
c)
75%
d)
50%
6.
How many males are shown in this pedigree?
a)
8
b)
5
c)
2
d)
16
7.
How many offspring are in the second generation?
a)
2
b)
4
c)
5
d)
6
8.
How many male offspring did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
9.
This picture shows
a)
a couple
b)
siblings
c)
grandparents
d)
offspring
10.
What is offspring?
a)
children
b)
parents
c)
siblings
d)
couples
11.
An allele that is masked when a dominant allele is present. The "weaker" gene.
a)
Dominant Allele
b)
Recessive Allele
12.
An allele whose trait always shows up in the organism when the allele is present. The "stronger" gene.
a)
Dominant Allele
b)
Recessive Allele
13.
An organism’s genetic makeup or allele combination. (The letters)
a)
Genotype
b)
Phenotype
c)
Lettertype
d)
Physiotype
14.
An organism’s physical appearance, or visible traits.
a)
Genotype
b)
Phenotype
c)
Lettertype
d)
physiotype
15.
In a pedigree, what shape represents a female?
a)
circle
b)
square
c)
triangle
d)
diamond
100 %
