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WorksheetsUnit 2 - Cell Division and Genetics
Total questions: 25
Worksheet time: 14mins
Name
Class
Date
1.
This picture shows which process?
a)
mitosis
b)
meiosis
c)
the cell cycle
2.
The uncontrolled division of cells...
a)
meiosis
b)
cancer
c)
nondisjunction
d)
crossing over
3.
The cells produced via meiosis are called:
a)
gametes
b)
somatic cells
c)
body cells
d)
skin cells
4.
This process produces cells with only 1/2 of the chromosomes as body cells.
a)
mitosis
b)
meiosis
5.
The end of meiosis results in ________ to each other.
a)
2 cells that are identical
b)
4 cells that are identical
c)
2 cells that are not identical
d)
4 cells that are not identical
6.
Name that process...
a)
Mitosis
b)
Meiosis
c)
Cell Cycle
d)
DNA replication
7.
The diagram shows two strawberry plants. Plant 2 is produced asexually from plant 1. If the leaf cells of plant 1 have 47 chromosomes, how many chromosomes will be found in the leaf cells of plant 2?
a)
14
b)
28
c)
47
d)
112
8.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
9.
The traits of an organism are passed to its offspring on small coded strands of DNA material called _________.
a)
heredity
b)
genes
c)
mitosis
d)
recessive traits
10.
________________ is the passing of traits from parents to offspring.
a)
Heredity
b)
Cloning
c)
Deoxyribonucleic Acid, or DNA
11.
Coiled up DNA forms X shaped structures called
a)
DNA Coils
b)
Chargraffs
c)
Chromosomes
d)
Alleles
12.
An Organism's physical appearance is its
a)
Genotype
b)
Phenotype
c)
Chromosome
d)
Allele
13.
The particular mix of alleles (letter combination) is an organism's
a)
Phenotype
b)
Chromosome
c)
Punnett Square
d)
Genotype
14.
You have two alleles on each gene. Where do you alleles come from?
a)
From the grandparent you most resemble
b)
Your parents
c)
Your siblings
d)
You make them by yourself
15.
Mendel....
a)
Took an x-ray picture of DNA
b)
Grew peas and discovered that alleles could be dominant and recessive.
c)
Discovered the Shape of DNA
d)
Invented Genetics
16.
During which stage of the cell cycle does the cell spend a majority of its time?
a)
Prophase
b)
Interphase
c)
Metaphase
d)
Cytokinesis
17.
How does cytokinesis differ in plant and animal cells?
a)
Cytokinesis only takes place in animal cells.
b)
Cytokinesis only takes place in plant cells.
c)
Plant cells form a cell plate, animal cells form a cleavage furrow.
d)
Animal cells form a cell plate, plant cells form a cleavage furrow.
18.
Y for yellow body is dominant over y for blue body. What alleles would produce yellow bodies?
a)
YY,yy
b)
Yy,yy
c)
YY only
d)
YY,Yy
19.
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
20.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
21.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
22.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
23.
Incomplete dominance means that the traits are
a)
expressed equally
b)
dominant
c)
recessive
d)
blended
24.
Brown fur color is dominant over black fur color. Which of the following is the actual genotype of ALL of the offspring in the next generation of this cross for fur color?
AA x aa
AA x aa
a)
AA
b)
Aa
c)
aa
d)
brown fur
25.
Tt is-
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
d)
none of these
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