WorksheetsMeiosis & Genetics 2019
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
Meiosis ends with ______ nonidentical gametes.
a)
1
b)
2
c)
3
d)
4
2.
Meiosis starts out as a _____ cell and ends with _____ cells.
a)
haploid, diploid
b)
diploid, diploid
c)
diploid, haploid
d)
haploid, haploid
3.
When a homologous pair of chromosomes get tangled up and exchange genetic information
a)
homozygous
b)
diploid
c)
gamete
d)
crossing over
4.
TT
a)
heterozygous
b)
homozygous dominant
c)
homozygous recessive
d)
hybrid
5.
The passing of traits from parents to offspring
a)
gametes
b)
heredity
c)
genetics
d)
recessive
6.
Having 2 alleles for a trait
a)
haploid
b)
crossing over
c)
diploid
d)
law of independent assortment
7.
The alternate forms of a gene
a)
heredity
b)
allele
c)
genetics
d)
haploid
8.
The genetic makeup of an individual
a)
dominant
b)
phenotype
c)
recessive
d)
genotype
9.
Which phase occurs BEFORE MEIOSIS
a)
interphase
b)
cytokinesis
c)
prophase
d)
telophase
10.
Unlike Mitosis, Meiosis is cell division ONLY for
a)
body cells
b)
sperm
c)
skin cells
d)
sex cells
11.
During which phase do chromosomes form tetrads?
a)
interphase
b)
cytokinesis
c)
prophase I
d)
telophase II
12.
During which phase do chromosomes cross over?
a)
interphase
b)
cytokinesis
c)
prophase I
d)
telophase II
13.
During which phase do homologous chromosomes "line up"?
a)
interphase
b)
cytokinesis
c)
metaphase I
d)
telophase II
14.
During which phase do homologous chromosomes separate?
a)
interphase
b)
cytokinesis
c)
anaphase I
d)
telophase II
15.
During which phase do the daughter cells separate?
a)
interphase
b)
cytokinesis
c)
anaphase I
d)
telophase II
16.
If the body cells of humans contain 46 chromosomes, a single sperm cell should have
a)
46 chromosomes.
b)
92 chromosomes.
c)
23 chromosomes.
d)
47 chromosomes.
17.
During meiosis, the number of chromosomes per cell is cut in half through the separation of
a)
daughter cells.
b)
homologous chromosomes.
c)
gametes.
d)
chromatids.
18.
Gametes are also known as
a)
genes.
b)
sex cells.
c)
alleles.
d)
hybrids.
19.
The offspring of crosses between parents with different traits are called
a)
alleles.
b)
hybrids.
c)
gametes.
d)
dominant.
20.
In Mendel’s pea experiments, the male gametes are the
a)
eggs.
b)
seeds.
c)
pollen.
d)
sperm.
21.
In a cross of a true-breeding tall pea plant with a true-breeding short pea plant, the F1 generation consists of
a)
all short plants.
b)
all tall plants.
c)
half tall plants and half short plants.
d)
all plants of intermediate height.
22.
If a particular form of a trait is always present when the allele controlling it is present, then the allele must be
a)
mixed.
b)
recessive.
c)
hybrid.
d)
dominant.
23.
In many female animals, meiosis results in the production of
a)
only 1 egg.
b)
1 egg and 3 polar bodies.
c)
4 eggs.
d)
1 egg and 2 polar bodies.
24.
Compared to egg cells formed during meiosis, daughter cells formed during mitosis are
a)
genetically different, while eggs are genetically identical.
b)
genetically different, just as egg cells are.
c)
genetically identical, just as egg cells are.
d)
genetically identical, while egg cells are genetically different.
25.
The father of genetics
a)
Gregor Mendel
b)
Ron Fisher
c)
Charles Darwin
d)
James Watson
26.
Brown eyes (B) are dominant to blue eyes (b). What is the phenotype of a person who is Bb?
a)
Brown eyes
b)
Blue eyes
c)
Hazel eyes
d)
Heterozygous
27.
Brown eyes (B) are dominant to blue eyes (b). What is the genotype of a person with blue eyes?
a)
Homozygous Dominant (BB)
b)
Heterozygous (Bb)
c)
Homozygous Recessive (bb)
d)
Single Recessive (b)
28.
What is the probability that the offspring will have the dominant trait?
a)
75%
b)
100%
c)
25%
d)
50%
29.
Which word describes an organism's physical characteristics?
a)
Phenotype
b)
Allele
c)
Chromosome
d)
Genotype
30.
Which word describes an organism's genetic make-up?
a)
Phenotype
b)
Allele
c)
Chromosome
d)
Genotype
100 %
