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WorksheetsGenetics Vocabulary #1
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
The genes that an organism has - ex. AA , Aa , aa
a)
genotype
b)
phenotype
c)
homozygous
d)
heterozygous
2.
The physical traits or outward appearance
a)
genotype
b)
phenotype
c)
homozygous
d)
heterozygous
3.
TT and tt are examples of _____ alleles.
a)
dominant
b)
recessive
c)
homozygous
d)
heterozygous
4.
Tt is an example of _____ alleles
a)
heterozygous
b)
homozygous
c)
genotype
d)
phenotype
5.
Different versions of a gene are known as
a)
chromosomes
b)
mutations
c)
alleles
d)
DNA
6.
This type of allele will always express itself if present.
a)
homozygous
b)
recessive
c)
heterozygous
d)
dominant
7.
This type of allele will only express itself if it is in a homozygous pair.
a)
dominant
b)
recessive
c)
genotype
d)
phenotype
8.
Height, fur color, shape of seeds, and texture are all examples of
a)
traits
b)
genotypes
c)
genetic make up
d)
dominant characteristics
9.
What does the prefix hetero- in heterozygous mean?
a)
same
b)
different
c)
dating
d)
human
10.
The physical appearance of an organism based on traits
a)
Genotype
b)
Phenotype
c)
Meiosis
d)
Genetics
11.
Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's genotype?
a)
BB
b)
bb
c)
Bb
d)
bB
12.
Having the genes for baldness is an example of
a)
genotype
b)
phenotype
13.
Hair colour is an example of
a)
genotype
b)
phenotype
14.
Which of the following is heterozygous
a)
FF
b)
tt
c)
Gg
d)
RR
15.
Which of the following is homozygous recessive?
a)
rr
b)
AA
c)
TT
d)
Ff
16.
Which of the following is homozygous dominant?
a)
Jj
b)
Rr
c)
MM
d)
ee
17.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
18.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
19.
What did Gregor Mendel use to discover the principles that rule heredity?
a)
Pea Plant
b)
Pigeons
c)
Pear trees
d)
Photosynthesis
20.
What do we call the table used to calculate the probability of an offspring's genotype?
a)
Punnett square
b)
Venn diagram
c)
Golden ratio
d)
Fibonacci sequence
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