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WorksheetsGenetics Vocab Quizizz 2 Jan 17-18
Total questions: 10
Worksheet time: 16mins
Name
Class
Date
1.
What does heterozygous mean?
a)
An organism that has the same genes for a trait (TT or tt)
b)
An organism that has different genes for a trait (Tt)
c)
When neither gene is fully dominant; offspring is a mixture of both
d)
the different forms of a trait (hair color--> brown, blonde, red
2.
A heterozygous yellow pea plant's genotype would be:
a)
YY
b)
yy
c)
Yy
d)
Yg
3.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous genes
d)
mutated DNA
4.
T = tall an t = short
What is the phenotype for Tt?
What is the phenotype for Tt?
a)
short
b)
tall
c)
medium sized
d)
neither tall or short
5.
When a capital letter is used, what kind of allele is being represented?
a)
Recessive Allele
b)
Codominance
c)
Punnett Squares
d)
Dominant Allele
6.
If green is dominant over purple, then what is the genotype for this individual?
a)
Gg
b)
g
c)
GG
d)
gg
7.
In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?
a)
Tall = T
Short = S
Short = S
b)
Tall = T
Short = t
Short = t
c)
Tall = t
Short = T
Short = T
d)
Tall = TT
Short = tt
Short = tt
8.
Which of the following is homozygous recessive?
a)
RR
b)
Rr
c)
rR
d)
rr
9.
Which of the following represents a homozygous dominant genotype?
a)
Hh
b)
HH
c)
hh
d)
none of these
10.
What best describes what a genotype is?
a)
The combination of alleles(letters) an organism has
b)
The physical appearance of an organisms
c)
the trait that overshadows all other traits
d)
the passing of physical traits from parents to offspring
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