AnswersFirst Semester BiologyThe Process of Photosynthesis

Meiosis Answers

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Which definition correctly describes a haploid cell during meiosis?

A
a cell that has double the number of chromosomes as the parent cell
B
a cell that has two complete sets of chromosomes
C
a cell that has half the number of chromosomes as the daughter cell
D
a cell that has one complete set of chromosomes
2
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Three cells undergo meiosis. How many haploid cells are produced?

A
3
B
6
C
9
D
12
3

Which best describes meiosis?

A
It produces cells that are identical to the original cell.
B
It is responsible for the replacement of damaged skin cells.
C
It is responsible for growth of the organism.
D
It produces male and female sex cells.
4

During which phase of meiosis does crossing over of chromosomes occur?

A
prophase I
B
metaphase I
C
anaphase I
D
telophase I
5

Which is a homologous chromosome pair?

A
chromatid
B
zygote
C
gamete
D
tetrad
6

Why is meiosis important for organisms?

A
It allows for genetic variation among organisms.
B
It determines which genes are dominant and which are recessive.
C
It produces genetically identical cells.
D
It provides a means of asexual reproduction.
7

How many cell divisions occur during meiosis?

A
one
B
two
C
three
D
four
8

In his study of pea plants, Gregor Mendel used which method to produce offspring?

A
cross-pollination, by using parents that had identical traits
B
cross-pollination, by using parents that had different traits
C
self-pollination, by using one parent
D
random pollination, by using both identical- and different-trait matings
9

Which best illustrates how Gregor Mendel used creativity that lead to scientific discovery?

A
He noticed that traits were passed on from parents to offspring.
B
He chose a parent generation and carefully studied its traits.
C
He used pea plants to study the patterns of heredity.
D
He observed how specific traits were passed from parent to offspring.
10

Which consist of sperm cells and egg cells?

A
gametes
B
tetrads
C
diploids
D
chromosomes
11

Which discovery did Gregor Mendel make?

A
Traits are inherited independently of each other.
B
Traits are inherited as a tetrad.
C
Traits are inherited as homologous pairs.
D
Traits are inherited as a set, from one parent.
12

Which process of genetic recombination involves genes from both parents?

A
crossing over
B
independent assortment
C
fertilization
D
tetrad formation
13

How many chromosomes does a child inherit from his or her parents?

A
23 from the mother and 23 from the father
B
46 from the mother
C
46 from the father
D
46 from the mother and 46 from the father
14

The diagram illustrates one method of genetic recombination.Which method of genetic recombination is illustrated in the diagram?

Question illustration
A
crossing over
B
independent assortment
C
fertilization
D
tetrad formation

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