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Ch 4, 7th Grade
Test Description: Sexual/Asexual Reproduction
Instructions: Answer all questions to get your test result.
1) The new cell that is formed from fertilization is called a(n)
A
egg
B
embryo
C
sperm
D
zygote
2) Which is the female sex cell?
A
the one with the pink shell
B
egg
C
sperm
D
zygote
3) What are diploid cells?
A
cells that have pairs of chromosomes
B
cells that have one chromosome from each pair
C
cells that join together to form a zygote
D
cells that have two nuclei
4) Homologous chromosomes are genetically identical
A
false
B
true
5) Every living thing has the same number of chromosomes.
A
true
B
false
6) What will happen if a zygote has the wrong number of chromosomes?
A
it will not develop properly
B
nothing
C
it will develop superpowers
D
it will not be born
7) A cell that has only one chromosome for each pair is called a
A
haploid cell
B
quark
C
halfloid cell
D
diploid cell
8) Which kind of cells are haploid cells?
A
bone cells
B
skin cells
C
body cells
D
sex cells
9) Meiosis only occurs to form sex cells.
A
true
B
false
10) How many nuclear divisions occur in meiosis?
A
2
B
3
C
4
D
1
11) At the end of meiosis, how many cells are created?
A
3
B
1
C
2
D
4
12) After telophase I, how many cells are created?
A
3
B
2
C
1
D
4
13) The chromosomes are NOT copied during Prophase II.
A
false
B
true
14) Meiosis helps maintain the correct number of chromosomes in each generation of offspring.
A
false
B
true
15) MItosis provides genetic variation within a population.
A
false
B
true
16) What is selective breeding?
A
when nature chooses the best traits for an environment
B
when random chance chooses the best traits for an environment
C
when humans breed organisms with specific traits in order to get offspring with those traits
D
being selective about who you breed with
17) The offspring created during asexual reproduction
A
are similar to their parent
B
are nothing like their parent
C
are genetically identical to their parent
18) Fission is where
A
a prokaryote divides and creates two identical offspring
B
an offspring develops on the parent until it is mature enough to survive on its own
C
two cells join together, creating one offspring
19) Sexual reproduction allows for a population to grow very rapidly.
A
false
B
true
20) There is little genetic variation in a population that reproduces asexually.
A
false
B
true
*select an answer for all questions
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