The Investigator
Meiosis
It’s a Robbery!!!
Someone has cracked the safe at the
home of Ali Bye!
Are you smart enough to catch the
thief?
The Suspects and Methods
Dewey
Cheatum
Pencil
Anita
Hugginkiss
Backpack
Seymour
Money
False Papers
Craven
Sumfood
Bank Insider
Sandy
Beeches
Shovel
Ima B.
Utiful
Internet
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Select a question by
clicking on a number.
Answer it correctly to obtain
valuable clues to solve the
mystery.
Get A Clue
Meiosis results in 4 ________ .
Diploid Cells
Haploid Cells
This is the exchange of genetics
information between
homologous chromosomes
Crossing Over
Divisions
Crossing over takes place
during this part of Meiosis
Meiosis I
Meiosis II
Gametes are ________ to help
organisms maintain a constant
chromosome number
Diploid
Haploid
How many times does
cytokinesis occur during the
whole process of meiosis?
1
2
After meiosis, how does the # of
chromosomes in the cells
compare to the parent cell?
Same
Different
One chromosome of a matched
pair is called a _______.
Sister chromatid
Homolog
Two chromosomes that are alike
in shape, size, etc…
Homologous Pairs
Sister chromatids
What is a the term for a fertilized
egg?
Byah
Zygote
If a cell has 18 chromosomes
before mitosis, how many
chromosomes will each
daughter cell have?
18
9
What are chromosomes made
of?
DNA
RNA
Homologous pairs of
chromosomes are found in
these cells
Diploid – 2n
Haploid – 1n
If the haploid # of a cell is 4, how
many chromosomes are found
in the organisms body cells?
8
4
How many chromosomes are
found in human sperm & egg
cells?
23
46
Gametes are made by this
process?
Meiosis
Mitosis
Which cell is an example of a
haploid cell?
Muscle cell
Sperm cell
Sister chromatids separate at
this phase…
Anaphase I
Anaphase II
How many egg cells are made
through meiosis?
4
1
These cells are formed by
meiosis in females that are
broken down
Polar bodies
Eggs
The exchange of corresponding
DNA segments is called
Crossing over
Fertilization
This type of reproduction is
the reason we need meiosis
to take place
Asexual Reproduction
Sexual Reproduction
Which human cells have 23
chromosomes each?
Eggs & Sperm
Muscle cells and
Nerve Cells
Cytokinesis occurs during
metaphase II
True
False
Homologous pairs are alike in
shape and size
True
False
Meiosis produces four nuclei
that have a different
chromosome number from the
original cell’s nucleus
True
False
Gametes are diploid so that when
fertilization occurs, the resulting
offspring will have the same number
of chromosomes as the parent
True
False
Crossing over takes place
between homologous
chromosomes
True
False
Polar bodies are created in
females during meiosis
True
False
Normal human body cells
contain 48 chromosomes
True
False
Diploid number 10…Haploid
number will be _____
5
20
Haploid number is 4…Diploid
number is _____.
4
8
Coiled up strands of DNA are
called….
Narsnoctocows
Chromosomes
Zygotes are another name for….
Fertilized eggs
Space aliens
1n =
Haploid
Diploid
Stage that cells spend most of
their life in
Interphase
Prophase
Which is an example of an
somatic cell?
Nerve Cell
Sperm Cell
Which is an example of a
gamete?
Muscle cell
Egg Cell
Sister Chromatids pull apart
during
Anaphase II
Prophase II
Diversity and variation is possible
because of…..
Asexual reproduction
Sexual Reproduction
Mitosis reduces the number of
chromosomes in a cell
True
False
Jolly Good!
You’ve earned a clue. Tell the inspector who
you think is the guilty culprit by clicking on a
name.
The Culprit Just Slipped Past
You!
You missed your opportunity to catch the
thief! Click on the fingerprint to try again.
Dewey Cheatum
Click on the method you think he used
Pencil
Backpack
False Papers
An Inside
Helper
Shovel
Internet
Anita Hugginkiss
Click on the method you think she used
Pencil
Backpack
False Papers
An Inside
Helper
Shovel
Internet
Seymour Money
Click on the method you think he used
Pencil
Backpack
False Papers
An Inside
Helper
Shovel
Internet
Craven Sumfood
Click on the method you think he used
Pencil
Backpack
False Papers
An Inside
Helper
Shovel
Internet
Sandy Beeches
Click on the method you think she used
Pencil
Backpack
False Papers
An Inside
Helper
Shovel
Internet
Ima B. Utiful
Click on the method you think she used
Pencil
Backpack
False Papers
An Inside
Helper
Shovel
Internet
You’ve Solved the Case!
Congratulations! You’re
a super sleuth!