NEW
Font size
S
M
L
XL
WorksheetsGenetics, mitosis and meiosis
Total questions: 35
Worksheet time: 33mins
Name
Class
Date
1.
This allele has less influence in determining traits.
a)
Recessive
b)
Dominant
c)
Incomplete dominant
d)
Co dominant
2.
An allele whose trait always shows up in the organism when the allele is present.
a)
recessive allele
b)
dominant allele
c)
hidden allele
d)
present allele
3.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
4.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
5.
father of genetics
a)
Gregor Mendel
b)
James Watson
c)
Dr. Robbins
d)
Francis Crick
6.
Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.
a)
DNA
b)
protein
c)
RNA
d)
glucose nucleic acid (GNA)
7.
What characteristic would a child not inherit from parents?
a)
freckles
b)
eye color
c)
hair style
d)
dimples
8.
R=round seed
r=wrinkled seed.
Cross a homozygous round with a wrinkled. Which statement predicts the results?
r=wrinkled seed.
Cross a homozygous round with a wrinkled. Which statement predicts the results?
a)
offspring will be Rr
b)
offspring will be RR
c)
round seeds will be recessive to wrinkled
d)
Wrinkled will be observed in half of offspring
9.
What is another way of saying "purebred"?
a)
homozygous
b)
dominant
c)
recessive
d)
heterozygous
10.
Homozygous or heterozygous?
BB
BB
a)
Homozygous
b)
Heterozygous
11.
What is a dominant allele?
a)
A trait that is always shown (capital letter)
b)
A trait that can be hidden (lower case letter)
c)
Alleles that are the same
d)
Alleles that are different
12.
What is a recessive allele?
a)
A trait that is always shown (capital letter)
b)
A trait that can be hidden (lower case letter)
c)
Alleles that are the same
d)
Alleles that are different
13.
Where is DNA located?
a)
Your Brain
b)
The Nucleus
c)
Your Heart
d)
The Cytoplasm
14.
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Telophase
15.
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
16.
Nuclear membrane forms around chromosomes and begins to separate.
a)
Anaphase
b)
Telophase
17.
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
18.
a)
Anaphase
b)
Cytonkinesis
c)
Interphase
d)
Prophase
19.
The phase in mitosis where chromosomes move away and are pulled apart by spindles to opposite sides of the cell.
a)
prophase
b)
anaphase
c)
metaphase
d)
telephase
20.
The process by which the nuclear material is divided equally between two new cells
a)
mitosis
b)
cancer
c)
spindle
d)
centromere
21.
How many chromosomes do humans have?
a)
46
b)
21
c)
10
22.
If there are 16 chromosomes in the egg cells of an organism, how many chromosomes would be found in its muscle cells?
a)
16
b)
8
c)
32
d)
64
23.
Structure A refers to the _____.
a)
chromatid
b)
chromosome
c)
centromere
24.
Structure C is pointing to one ____.
a)
chromatid
b)
chromosome
c)
centromere
d)
DNA
25.
Which of the following cell types is formed by meiosis?
a)
muscle cells
b)
skin cells
c)
sperm cells
d)
blood cells
26.
Which process is necessary for the inherited traits of an organism to be passed along by sexual reproduction?
a)
mitosis
b)
meiosis
c)
mutation
d)
fission
27.
Which statement correctly describes meiosis?
a)
cells divide only once
b)
meiosis does not occur in reproductive cells
c)
the cells produced at the end of meiosis are genetically identical to the parent cell
d)
The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell
28.
Based only on the sex chromosomes in typical human egg and sperm cells at fertilization, the probability of producing a female is
a)
25%
b)
50%
c)
75%
d)
90%
29.
What is one advantage of sexual reproduction?
a)
offspring are identical to parents
b)
offspring are resistant to viruses
c)
offspring are born live, rather thna from eggs
d)
offspring inherit a wider variety of genetic information
30.
What trait has two dominant alleles and they blend to make a new trait?
a)
Dominant and recessive
b)
Co-dominant
c)
Sex linked trait
d)
Incomplete domanant
31.
What kind of trait is colorblindness?
a)
Dominant and recessive
b)
Sex-linked
c)
Co-dominant
d)
Incomplete dominant
32.
B=black and W= white. This is a co-dominant trait. Mom is a hybrid and dad is black. Which answer is correct?
a)
50% offspring will be white
b)
50% offspring will be grey
c)
25% offspring will be black and white
d)
50% offspring will be black and white
33.
Mom is a carrier for color blindness and dad has normal vision. Which is the best answer?
a)
Every time they have a baby girl it will be color blind
b)
When they have a boy 50% chance he will be color blind
c)
0% chance their children will be colorblind
d)
When they have a girl 50% she will be color blind
34.
B=black and b=white. One parent is heterozygous black and one is white.
a)
All offspring will be black
b)
All offspring will be grey
c)
50% offspring will be white
d)
50% offspring will be grey
35.
XX
a)
male
b)
Female
Reset
