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

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

PencilPencil BackpackBackpack False PapersFalse Papers Bank InsiderBank Insider ShovelShovel InternetInternet

Get A ClueGet A Clue

2019181716

1514131211

109876

4039383736

3534333231

3029282726

2524232221

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?

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?

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?

How many chromosomes are How many chromosomes are found in human sperm & egg found in human sperm & egg cells? cells?

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?

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 _____

Haploid number is 4…Diploid Haploid number is 4…Diploid number is _____.number is _____.

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

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

An Inside Helper

Seymour MoneySeymour Money

An Inside Helper

Craven SumfoodCraven Sumfood

An Inside Helper

Sandy BeechesSandy Beeches

An Inside Helper

Ima B. UtifulIma B. Utiful

An Inside Helper

You’ve Solved the Case!You’ve Solved the Case!

Congratulations! You’re a super sleuth!

The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS...

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The Investigator Integers. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked.

The Investigator La FamiliaFamilia It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone.