ametes are diploid cells.Question 1 options:
True
False
Question 2 (2 points)
Listen
The longest phase in the cell cycle is interphase.
Question 2 options:
True
False
Question 3 (2 points)
Listen
The alleles that code for genetic disorders are always selected against.
Question 3 options:
True
False
Question 4 (2 points)
Listen
Fuzzy feet (F) in birds is dominant to smooth feet (f). What is the
genotype of a bird that is heterozygous for fuzzy feet.
Question 4 options:
F
FF
Ff
f
Question 5 (2 points)
Listen
You have decided to mate a male red striped lizard with a female
yellow striped lizard. Their offspring all have orange stripes. Which of
the following is true?
Question 5 options:
The male lizard was heterozygous
Red stripe color is incompletely dominant to yellow stripe color
Red stripe color is completely dominant to yellow stripe color
None of the above
Question 6 (2 points)
Listen
How might stripe color in the lizard babies (all orange from yellow and
red parents) change if the allele for stripe color was co-dominant.
Question 6 options:
all the offspring would have red stripes only
all the offspring would have yellow stripes only
all the offspring would have an equal number of yellow and red stripes
none of the above
Question 7 (2 points)
Listen
Chromosomes exist as double sister chromatids in which phase of the
cell cycle?
Question 7 options:
G1 and G2
prophase and metaphase
anaphase and metaphase
telophase
Question 8 (2 points)
Listen
A diploid cell of a white fly contains 10 chromosomes. After meiosis
and cell division, there are:
Question 8 options:
two cells with 5 chromosomes each
two cells with 10 chromosomes each
four cells with 5 chromosomes each
four cells with 10 chromosomes each
Question 9 (2 points)
Listen
In preparation for cell division DNA replicates during:
Question 9 options:
Interphase
G2 phase
S phase
Both interphase and S phase
Question 10 (2 points)
Listen
When do homologous chromosomes separate from each other, but
sister chromatids remain together.
Question 10 options:
anaphase of mitosis
anaphase I of meiosis
anaphase II of meiosis
Question 11 (2 points)
Listen
Sex-linked alleles are most often carried on the ___chromosome and
therefore _____offspring will have a much higher chance of expressing a
sex-linked recessive trait.
Question 11 options:
X, female
X, male
Y, female
Y, male
Question 12 (2 points)
Listen
When is the mitotic index higher? (number of cells undergoing
mitosis/total number of cells)
Question 12 options:
Pollen formation (plant sperm)
Root tip growth (rapid plant growth)
in mature tissues
Question 13 (2 points)
Listen
After meiosis what proportion of gametes produced by a male
antelope will have an X chromosome?
Question 13 options:
25%
50%
100%
Question 14 (2 points)
Listen
After meiosis what proportion of gametes produced by a female
antelope will have an X chromosome?
Question 14 options:
25%
50%
100%
Question 15 (2 points)
Listen
Which of the following occurs during meiosis I but not during mitosis?
Question 15 options:
the chromatids of each chromosome are separated
both synapsis and crossing over occurs
the nuclear envelope breaks down
the chromosomes line up at the metaphase plate
Question 16 (2 points)
Listen
Meiosis takes place in which of the following organs?
Question 16 options:
testes
lungs
heart
stomach
Question 17 (2 points)
Listen
Mitosis takes place in which of the following organs?
Question 17 options:
testes
lungs
stomach
all except testes
Question 18 (2 points)
Listen
Dominant traits and alleles are ALWAYS more abundant in a population
than recessive traits and alleles.
Question 18 options:
True
False
Question 19 (2 points)
Listen
There are multiple check points in the cell cycle.
Question 19 options:
True
False
Question 20 (2 points)
Listen
plant cells form cell walls during cytokinesis.
Question 20 options:
True
False
Question 21 (2 points)
Listen
An individual cannot be a carrier for a dominant disorder they will
express it.
Question 21 options:
True
False
Question 22 (2 points)
Listen
A woman has blood type A. She has two children with the same
father. One child’s blood type is B and the other child has type O. Is
this possible?
Question 22 options:
Yes, the father is blood type O
Yes, the father is blood type B
Yes, the father is blood type AB
Nope, not possible
Question 23 (2 points)
Listen
The phase in mitosis after metaphase is anaphase.
Question 23 options:
True
False
Question 24 (2 points)
Listen
Cystic fibrosis is caused by a recessive gene. A man and a woman are both carriers of cystic
fibrosis, but do not express it. What fraction of their children are expected to express the
cystic fibrosis phenotype?
Question 24 options:
all of them
1/4
1/2
3/4
Question 25 (2 points)
Listen
When pure-breeding black rabbits are crossed with pure-breeding white rabbits, all black
rabbits result. A wild black rabbit of unknown genotype is found. It is bred with a white
rabbit, and the offspring are 10 black and 3 white rabbits. What is the genotype of the
“unknown” wild black rabbit?
Question 25 options:
hetrozygous
homozygous dominant
homozygous recessive
Question 26 (2 points)
Listen
A cell that proceeded to cell division without completing S phase would:
Question 26 options:
have extra ribosomes
have an extra copy of all its chromosomes
be smaller than normal
not have enough DNA to divide normally
Question 27 (2 points)
Listen
When depicting alleles we use a capital letter to indicate an allele is
dominant over another.
Question 27 options:
True
False
Question 28 (2 points)
Listen
Fuzzy feet (F) in birds is dominant to smooth feet (f). What is the
phenotype of a bird that is heterozygous for fuzzy feet.
Question 28 options:
smooth feet
fuzzy feet
Ff
FF
Question 29 (2 points)
Listen
Homologous chromosomes should never line up across from each
other during mitosis.
Question 29 options:
True
False
Question 30 (2 points)
Listen
A clevage furrow will form on plant cells as they proceed through
telophase and cytokinesis
Question 30 options:
True
False
Question 31 (2 points)
Listen
Sister chromatids are genetically identical.
Question 31 options:
True
False
Question 32 (2 points)
Listen
Homologous chromosomes are genetically identical.
Question 32 options:
True
False
Question 33 (2 points)
Listen
Meiosis not mitosis is the process most often associated with cancer.
Question 33 options:
True
False
Question 34 (2 points)
Listen
This gene is known to play a role in the reduction of mutations and
cancer in general.
Question 34 options:
f44
p53
q67
none of the above
Question 35 (2 points)
Listen
Not all cells go through mitosis at the same rate.
Question 35 options:
True
False
Question 36 (2 points)
Listen
If sister chromatids are still attached to each other which phase can the
dividing cell not be in?
Question 36 options:
anaphase
metaphase
prophase
prometaphase
Question 37 (2 points)
Listen
A cell undergoing meiosis produces a daughter cell that experience
one non-disjunction event. If the number of chromosomes in a normal
diploid cell is 36, how many chromosomes are present in the daughter
cell at the end of meiosis?
Question 37 options:
35
18
19
37
Question 38 (1 point)
Listen
Human blood type is an example of a co-dominant trait.
Question 38 options:
True
False
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