allows a haploid sperm cell to fertilize a haploid egg cell
answer
Sexual intercourse in humans ______.
question
autosomes
answer
Chromosomes that do not determine the sex of an individual are called ______.
question
44 autosomes and 2 X chromosomes
answer
What chromosomes belong to a normal human female?
question
44 autosomes, one X chromosome, and one Y chromosome
answer
What chromosomes belong to a normal human male?
question
carry genes controlling the same inherited characteristics
answer
Homologous chromosomes ______.
question
Seek early detection of tumors.
answer
Which of the following will help prevent cancer and increase survival?
question
Benign tumors do not metastasize; malignant tumors do.
answer
What is the difference between a benign and a malignant tumor?
question
have two nuclei
answer
A cell that completed the cell cycle without undergoing cytokinesis would ______.
question
the events of prophase are reversed
answer
During telophase ______.
question
chromosomes line up in the middle of the cell
answer
During metaphase ______.
question
Sister chromatids separate.
answer
Which of these events occurs during anaphase?
question
meiosis results in the formation of four haploid daughter cells
answer
The following figure shows that ______.
question
telophase
answer
Which of the following is a stage of mitosis?
question
The mitotic spindle begins to form.
answer
Which of the following occurs during prophase?
question
two cells, each with the same amount of genetic material and the same genetic information
answer
The cell cycle results in the production of ______.
question
Chromosome duplication
answer
Which of the following occurs during interphase?
question
centromere
answer
Sister chromatids are joined at the ______.
question
sister chromatids
answer
A duplicated chromosome consists of two ______.
question
DNA and protein
answer
Chromatin consists of ______.
question
nucleus
answer
The chromosomes of eukaryotic cells are found in the
question
production of sperm and eggs
answer
Ordinary cell division produces two daughter cells that are genetically identical. This type of cell division is important for all of the following functions EXCEPT
question
Komodo dragon
answer
A(n) ______ is an example of an organism that can sometimes reproduce asexually.
question
prophase, metaphase, anaphase, telophase
answer
The correct sequence of stages of mitosis is ______.
question
telophase
answer
Cytokinesis typically begins during the ______ stage of mitosis.
question
In meiosis, how does prophase I differ from prophase II?
answer
During prophase I there is one diploid cell; during prophase II there are two haploid cells.
question
How much genetic material is present in a cell during prophase I compared to a cell that has completed meiosis II?
answer
four times as much
question
During metaphase I, ______.
answer
homologous chromosomes line up in the middle of the cell
question
Upon completion of telophase I and cytokinesis, there is(are) ______ cell(s).
answer
two haploid
question
Which of the following is a characteristic seen in prophase I that does not occur in prophase II?
answer
Crossing over occurs.
question
Anaphase II is essentially the same as mitotic anaphase except that in anaphase II ______ and in mitotic anaphase ______.
answer
the cells are haploid and sister chromatids separate... the cells are diploid and sister chromatids separate
question
One difference between mitosis and meiosis is ______.
answer
mitosis produces cells genetically identical to the parent cell, but meiosis does not
question
Genetic variation is accomplished by all but one of the following. Which is it?
answer
the events of meiosis II
question
Which of the following is the best description of the events of anaphase I?
answer
Homologous chromosomes randomly separate and migrate to opposite poles.
question
For a species with four pairs of chromosomes, ________ chromosome combinations are possible.
answer
16
question
A ______ describes a site of crossing over.
answer
chiasma
question
Crossing over during prophase I results in ______.
answer
genetic recombination
question
A karyotype (a chromosome display) would be unable to determine ______.
answer
eye color
question
How many chromosomes can a gamete possess as a result of nondisjunction?
answer
n + 1 or n - 1
question
How many chromosomes does an individual with Turner syndrome have?
answer
2n - 1
question
Examine the figure below. Nucleosomes are made of ______.
answer
DNA and histone proteins
question
As shown in the following figure, plant cell cytokinesis differs from animal cell cytokinesis because ______.
answer
plant cells form a cell plate and animal cells do not
Haven't found what you need?
Search for quizzes and test answers now
Quizzes.studymoose.com uses cookies. By continuing you agree to our cookie policy
