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Meiosis Part 1
Test Description: Questions over Meiosis
Instructions: Answer all questions to get your test result.
1) What is a genome?
A
a specialized polymer of four different kinds of monomers
B
the complete complement of an organism's genes
C
specific segment of DNA that is found within a prokaryotic chromosome
D
a specific sequence of polypeptides within each cell
2) Which of the following statements about genes is incorrect?
A
During fertilization, both the sperm and the ovum contribute genes to the resulting fertilized egg.
B
Genes correspond to segments of DNA.
C
Under normal circumstances, each chromosome contains precisely one gene.
D
Many genes contain the information needed for cells to synthesize enzymes and other proteins.
3) Asexual reproduction and sexual reproduction are different in that
A
asexual reproduction involves a single parent, whereas sexual reproduction involves two.
B
asexual reproduction produces offspring that are genetically identical to the parents, whereas sexua
C
individuals reproducing asexually transmit 100% of their genes to their progeny, whereas individuals
D
all of the above
4) How do the two members of a pair of homologous chromosomes differ from each other?
A
their length
B
the identity and relative position of the genes present on each of the chromosomes
C
the precise sequence of the DNA within each of the chromosomes
D
their staining patterns
5) What is a karyotype?
A
the set of unique physical characteristics that define an individual
B
a unique combination of chromosomes found in a gamete
C
a system of classifying cell nuclei
D
a display of every pair of homologous chromosomes within a cell, organized according to size and sha
6) By examining a karyotype, it is possible to determine
A
the age of a fungus.
B
the sex of an animal.
C
A and B only
D
which of two related plant forms is a gametophyte, and which is a sporophyte.
7) At which stage of mitosis are chromosomes photographed in the preparation of a karyotype?
A
prophase
B
metaphase
C
anaphase
D
telophase
8) The human X and Y chromosomes are
A
of approximately equal size.
B
all of the above
C
both present in every somatic cell of males and females alike.
D
called "sex chromosomes" because they determine an individual's sex.
9) If the liver cells of an animal have 24 chromosomes, how many chromosomes do its sperm cells have?
A
24
B
48
C
6
D
12
10) Which of the following is true of a species that has a chromosome number of 2n = 16?
A
During the S phase of the cell cycle there will be 32 separate chromosomes.
B
There are 8 homologous pairs.
C
The species has 16 sets of chromosomes.
D
The species is diploid with 32 chromosomes.
*select an answer for all questions
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