The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS...
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The Investigator The Investigator Meiosis
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Transcript of The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS...
The InvestigatorThe InvestigatorMeiosis
It’s a Robbery!!!It’s a Robbery!!!
CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO
CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO
Someone has cracked the safe at the home of Ali Bye!
Are you smart enough to catch the thief?
The Suspects and MethodsThe Suspects and Methods
Dewey CheatumDewey
CheatumSandy
BeechesSandy
BeechesAnita
HugginkissAnita
HugginkissCraven
SumfoodCraven
SumfoodIma B. Utiful
Ima B. Utiful
Seymour Money
Seymour Money
PencilPencil BackpackBackpack False PapersFalse Papers Bank InsiderBank Insider ShovelShovel InternetInternet
Get A ClueGet A Clue
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Select a question by clicking on a number.Answer it correctly to obtain valuable clues to solve the mystery.
Meiosis results in 4 ________ .Meiosis results in 4 ________ .
Diploid Cells Haploid Cells
This is the exchange of genetics This is the exchange of genetics information between information between homologous chromosomes homologous chromosomes
Crossing Over Divisions
Crossing over takes place Crossing over takes place during this part of Meiosis during this part of Meiosis
Meiosis I Meiosis II
Gametes are ________ to help Gametes are ________ to help organisms maintain a constant organisms maintain a constant chromosome numberchromosome number
DiploidHaploid
How many times does How many times does cytokinesis occur during the cytokinesis occur during the whole process of meiosis? whole process of meiosis?
1 2
After meiosis, how does the # of After meiosis, how does the # of chromosomes in the cells chromosomes in the cells compare to the parent cell? compare to the parent cell?
Same Different
One chromosome of a matched One chromosome of a matched pair is called a _______.pair is called a _______.
Sister chromatid Homolog
Two chromosomes that are alike Two chromosomes that are alike in shape, size, etc… in shape, size, etc…
Homologous Pairs Sister chromatids
What is a the term for a fertilized What is a the term for a fertilized egg? egg?
Byah Zygote
If a cell has 18 chromosomes If a cell has 18 chromosomes before mitosis, how many before mitosis, how many chromosomes will each chromosomes will each daughter cell have? daughter cell have?
18 9
What are chromosomes made What are chromosomes made of?of?
DNA RNA
Homologous pairs of Homologous pairs of chromosomes are found in chromosomes are found in these cells these cells
Diploid – 2n Haploid – 1n
If the haploid # of a cell is 4, how If the haploid # of a cell is 4, how many chromosomes are found many chromosomes are found in the organisms body cells?in the organisms body cells?
8 4
How many chromosomes are How many chromosomes are found in human sperm & egg found in human sperm & egg cells? cells?
23 46
Gametes are made by this Gametes are made by this process? process?
Meiosis Mitosis
Which cell is an example of a Which cell is an example of a haploid cell?haploid cell?
Muscle cell Sperm cell
Sister chromatids separate at Sister chromatids separate at this phase… this phase…
Anaphase I Anaphase II
How many egg cells are made How many egg cells are made through meiosis? through meiosis?
4 1
These cells are formed by These cells are formed by meiosis in females that are meiosis in females that are broken down broken down
Polar bodies Eggs
The exchange of corresponding The exchange of corresponding DNA segments is called DNA segments is called
Crossing over Fertilization
This type of reproduction is This type of reproduction is the reason we need meiosis the reason we need meiosis to take place to take place
Asexual Reproduction Sexual Reproduction
Which human cells have 23 Which human cells have 23 chromosomes each?chromosomes each?
Eggs & SpermMuscle cells and
Nerve Cells
Cytokinesis occurs during Cytokinesis occurs during metaphase IImetaphase II
True False
Homologous pairs are alike in Homologous pairs are alike in shape and sizeshape and size
True False
Meiosis produces four nuclei Meiosis produces four nuclei that have a different that have a different chromosome number from the chromosome number from the original cell’s nucleus original cell’s nucleus
True False
Gametes are diploid Gametes are diploid so that when so that when fertilization occurs, the resulting fertilization occurs, the resulting offspring will have the same number offspring will have the same number of chromosomes as the parentof chromosomes as the parent
True False
Crossing over takes place Crossing over takes place between homologous between homologous chromosomeschromosomes
True False
Polar bodies are created in Polar bodies are created in females during meiosis females during meiosis
True False
Normal human body cells Normal human body cells contain 48 chromosomes contain 48 chromosomes
True False
Diploid number 10…Haploid Diploid number 10…Haploid number will be _____number will be _____
5 20
Haploid number is 4…Diploid Haploid number is 4…Diploid number is _____.number is _____.
4 8
Coiled up strands of DNA are Coiled up strands of DNA are called….called….
Narsnoctocows Chromosomes
Zygotes are another name for…. Zygotes are another name for….
Fertilized eggs Space aliens
1n =1n =
Haploid Diploid
Stage that cells spend most of Stage that cells spend most of their life in their life in
Interphase Prophase
Which is an example of an Which is an example of an somatic cell? somatic cell?
Nerve Cell Sperm Cell
Which is an example of a Which is an example of a gamete? gamete?
Muscle cell Egg Cell
Sister Chromatids pull apart Sister Chromatids pull apart during during
Anaphase II Prophase II
Diversity and variation is possible Diversity and variation is possible because of…..because of…..
Asexual reproduction Sexual Reproduction
Mitosis reduces the number of Mitosis reduces the number of chromosomes in a cell chromosomes in a cell
True False
Jolly Good!Jolly Good!
You’ve earned a clue. Tell the inspector who you think is the guilty culprit by clicking on a name.
Dewey Cheatum
Anita Hugginkiss
Seymour Money
Craven Sumfood
Sandy Beeches
Ima B. U
tiful
The Culprit Just Slipped Past The Culprit Just Slipped Past You!You!
You missed your opportunity to catch the thief! Click on the fingerprint to try again.
Dewey CheatumDewey Cheatum
PencilPencil BackpackBackpack False PapersFalse Papers An Inside Helper
An Inside Helper
ShovelShovel InternetInternet
Click on the method you think he used
Anita HugginkissAnita Hugginkiss
Click on the method you think she used
PencilPencil BackpackBackpack False PapersFalse Papers An Inside Helper
An Inside Helper
ShovelShovel InternetInternet
Seymour MoneySeymour Money
Click on the method you think he used
PencilPencil BackpackBackpack False PapersFalse Papers An Inside Helper
An Inside Helper
ShovelShovel InternetInternet
Craven SumfoodCraven Sumfood
Click on the method you think he used
PencilPencil BackpackBackpack False PapersFalse Papers An Inside Helper
An Inside Helper
ShovelShovel InternetInternet
Sandy BeechesSandy Beeches
Click on the method you think she used
PencilPencil BackpackBackpack False PapersFalse Papers An Inside Helper
An Inside Helper
ShovelShovel InternetInternet
Ima B. UtifulIma B. Utiful
Click on the method you think she used
PencilPencil BackpackBackpack False PapersFalse Papers An Inside Helper
An Inside Helper
ShovelShovel InternetInternet
You’ve Solved the Case!You’ve Solved the Case!
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