WorksheetsGenetics Quiz 2021
Total questions: 20
Worksheet time: 18mins
Name
Class
Date
1.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
2.
Structure B is pointing to the _____.
a)
chromosome
b)
centromere
c)
DNA
d)
chromatid
3.
How many chromosomes are normally found in human body cells?
a)
46
b)
23
c)
26
d)
44
4.
Identify the phase of mitosis.
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
5.
In which phase does the cell spend most of it's life?
a)
Interphase
b)
Nuclear Division
c)
Telophase
d)
Mitosis
6.
Genotype refers to the ...
a)
physical expression of the genes
b)
the possible combination of alleles in a gene
c)
whether an allele is dominant or recessive
d)
how an organism will appear
7.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
8.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
9.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
10.
G = green, g = yellow
The genotype for a yellow plant is...
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
11.
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
12.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
13.
Who is considered the "father" of modern genetics?
a)
Einstein
b)
Mendel
c)
Disney
d)
Trump
14.
What type of "square" helps us solve genetic problems?
a)
carpenter square
b)
Mendel square
c)
Punnett square
d)
genetic square
15.
TT,tt,PP,pp,SS,ss are examples of alleles that are?
a)
homozygous
b)
heterozygous
c)
different
d)
homologous
16.
"The Great White Shark was 20 feet in length. Phenotype or Genotype?
a)
phenotype
b)
genotype
17.
Females-XX; MalesXY. A couple has 4 girls. What is the chance the next child will be a boy?
a)
75%
b)
100%
c)
25%
d)
50%
18.
If "T" is the allele for tall and "t" is the allele for short, then Tt would produce?
a)
tall
b)
short
c)
medium
d)
not enough info
19.
shows even if only one parent passes on the gene
a)
recessive
b)
regulatory gene
c)
dominant
20.
the following letters are an example of _______ dd
a)
recessive
b)
homozygous recessive
c)
homozygous dominant
d)
dominant
100 %
