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WorksheetsNon Mendelian Genetics
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
In mice, the homozygous mice are black and white. The heterozygous mice are gray. What pattern of inheritance is expressed in fur color in mice?
a)
complete dominance and recessiveness
b)
co-dominance
c)
incomplete dominance
d)
pleiotropy
2.
AB blood type is an example of what type of inheritance?
a)
complete dominance
b)
incomplete dominance
c)
codominance
d)
polygenic inheritance
3.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
4.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
5.
What type of inheritance is shown?
a)
complete
b)
incomplete
c)
codominance
d)
sex-linked
6.
What do you call the non-Mendelian inheritance pattern that states that neither trait is dominant and the traits appear to blend together?
a)
Codominance
b)
Incomplete dominance
c)
Polygenic traits
7.
Homozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
8.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
9.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
BB
10.
How many PAIRS of sex chromosomes do humans have?
a)
23
b)
46
c)
1
d)
2
11.
How many PAIRS of chromosomes do humans have?
a)
23
b)
46
c)
1
d)
2
12.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be what?
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
13.
How many alleles does an individual have for each trait?
a)
1
b)
2
c)
3
d)
4
14.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
Incomplete Dominance
b)
Co dominance
c)
Independent assortment
d)
Recessive inheritance
15.
The different forms of a gene are called
a)
traits
b)
pollinators
c)
alleles
d)
hybrids
16.
This type of inheritance pattern is a MIXTURE of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
17.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
18.
Snap dragon color is a incomplete dominant trait. A red flower (RR) is crossed with white flower (rr)? What color are flowers that are Rr?
a)
Red
b)
Red and White
c)
White
d)
Pink
19.
I have 1 X chromosome and 1 Y chromosome. What am I?
a)
Male
b)
Female
20.
I have 2 X chromosomes. What am I?
a)
Male
b)
Female
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