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Reproduction
Test Description: Cell and Organism Reproduction
Instructions: Answer all questions to get your test result.
1) Which is the term that applies to the joining of homologous chromosomes during Prophase I of meiosis?
A
crossing over
B
sister pairing
C
chromatid condensing
D
tetrads
2) During synapsis, homologous chromosomes exchange sections of DNA in a process called ________.
A
duplication
B
crossing over
C
synapsis
D
chromosome replication
3) What is not an advantage of asexual reproduction?
A
Requires less enegy
B
Produces diverse offspringq
C
Produces offspring without requiring a mate
D
Requires less time commitment
4) Which is the most common way that bacteria reproduce?
A
vegetative propagation
B
budding
C
binary fission
D
sexually
5) Somatic cells reproduce by ______________ , while sex cells reproduce by ______________ .
A
mitosis, meiosis
B
meiosis, meiosis
C
asexual reproduction, sexual reproduction
D
mitosis, asexual reproduction
6) Which of the following statements is true about mitosis in humans?
A
Each cell undergoing mitosis divides into two complete new cells that are usually identical to the c
B
It takes roughly two weeks for a cell to go through all six phases of mitosis.
C
All cells of the body go through mitosis more or less constantly from conception until death.
D
Mitosis is the only process of cell division in humans.
7) Which of the following statements is true about meiosis in humans?
A
The process begins in females at puberty.
B
Sperm and ova are not identical to the parent cells that produced them.
C
Meiosis produces clones of mother cells.
D
Females produce far more gametes than do males.
8) As a result of "fertilization", which of the following normally occur?
A
A single sperm and ovum combine their genetic material to create an offspring with the same number o
B
A haploid cell is produced.
C
A gamete is created.
D
The final phase of spermatogenesis is begun.
9) The first cell produced at the union of a sperm and egg is called a __________.
A
zygote
B
haploid
C
gamete
D
diploid
10) The main advantage to sexual reproduction is ___________.
A
it requires less energy.
B
it increases genetic diversity of offspring.
C
it happens only in higher level organisms.
D
it requires less time.
*select an answer for all questions
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