Haploid vs Diploid

““UnderstandingUnderstandingthe concepts ofthe concepts of

Haploid and Haploid and Diploid”Diploid”

Biology 412 - Unit 7 Genetics / Haploid and Biology 412 - Unit 7 Genetics / Haploid and DiploidDiploid

Introducing VocabularyIntroducing Vocabulary

Diploid= DIH – Diploid= DIH – ploydployd

Haploid= HA – Haploid= HA – ploydployd

Let’s take a look at the terms first….Let’s take a look at the terms first….

Diploid= Diploid= Di Di Ploid Ploid““DiDi” means “” means “twotwo””to “to “didissect” is to cut in ssect” is to cut in

twotwo..

Let’s take a look at the terms first….Let’s take a look at the terms first….

Haploid= Haploid= HaHa Ploid Ploid““HaHa” means “” means “halfhalf””haploidhaploid is is half half of diploid.of diploid.

ReviewReview

““DiploidDiploid” means” means

Half Two

ReviewReview

““HaploidHaploid” means” means

Half Two

GOOD JOB !!!GOOD JOB !!!

You’re on the way !!!You’re on the way !!!

Introducing VocabularyIntroducing Vocabulary

Gamtete= GA - Gamtete= GA - meatmeat

Somatic= So-MA-Somatic= So-MA-tiktik

A A “Gamete”“Gamete” is a is a generic term for a generic term for a

“sex cell”.“sex cell”. An example would be An example would be

a a spermsperm or an or an eggegg..

Gametes areGametes are HaploidHaploid in in

chromosome chromosome number.number.

The The numbernumber of of chromosomes that a chromosomes that a

gamete gamete would contain would contain would be would be described described

as______as______

Haploid Diploid

““Somatic cellsSomatic cells” ” refers to refers to every cellevery cell in the body in the body exceptexcept

gametes.gametes.

ReviewReview

SpermSperm or or EggEgg = = GametesGametesAll All Other Other cells = cells = SomaticSomatic

CellsCells

Gamete or Somatic Cell ?Gamete or Somatic Cell ?

A Liver CellA Liver Cell

GameteSomatic

A Sperm CellA Sperm Cell

GameteSomatic

A Brain CellA Brain Cell

GameteSomatic

A Lung CellA Lung Cell

GameteSomatic

An EggAn Egg

GameteSomatic

A Skin CellA Skin Cell

GameteSomatic

Keep Going !!!Keep Going !!!

HAlf way There !!!HAlf way There !!!

Somatic Cells Somatic Cells areare DiploidDiploid in in chromosome chromosome

number.number.

The The numbernumber of of chromosomes that a chromosomes that a somatic cell somatic cell would would contain would be contain would be described as______described as______

Haploid Diploid

ReviewReview

Gametes =Gametes = haploid haploidSomatic Cells = Somatic Cells =

diploiddiploid

Mathematically SpeakingMathematically Speaking

if if haploid=nhaploid=n,,then then diploid=2ndiploid=2n

Mathematically Mathematically SpeakingSpeaking

or… or… haploid is haploid is ½½ of of diploiddiploid

or… or… diploid is diploid is 2x2x haploid haploid

ReviewReview

SpermSperm or or EggEgg = = GametesGametes==HaploidHaploid==nnAll All Other Other Cells = Cells = SomaticSomatic CellsCells==DiploidDiploid==2n2n

Humans have Humans have 4646 chromosomes in their chromosomes in their somatic cellssomatic cells. These . These

cells are cells are ____________

Haploid Diploid

Humans have Humans have 2323 chromosomes in their chromosomes in their gametesgametes. These cells . These cells

are are ____________

Haploid Diploid

IfIf humans humans diploiddiploid number = number = 4646, what , what

is the is the haploidhaploid number?number?

IfIf humans humans haploidhaploid number = number = 2323, what , what

is the is the diploiddiploid number?number?

IfIf chimps chimps diploiddiploid number = number = 4848, what , what

is the is the haploidhaploid number?number?

IfIf chimps chimps haploidhaploid number = number = 2424, what , what

is the is the diploiddiploid number?number?

Review AgainReview Again

Sperm or Egg = Gametes=Haploid= Sperm or Egg = Gametes=Haploid= nnAll Other Cells = Somatic Cells=Diploid= All Other Cells = Somatic Cells=Diploid= 2n2n

IfIf humans humans diploiddiploid number = number = 4646,, How many How many

chromosomes in achromosomes in a liverliver cell ? cell ?

chromosomes in a chromosomes in a spermsperm cell ? cell ?

chromosomes in achromosomes in a brainbrain cell ? cell ?

chromosomes in achromosomes in a lunglung cell ? cell ?

chromosomes in an chromosomes in an eggegg cell ? cell ?

chromosomes in achromosomes in a skinskin cell ? cell ?

Up so far !!!Up so far !!!

ALMOST THERE !!!ALMOST THERE !!!

Review Last RoundReview Last Round

Sperm or Egg = Gametes=Haploid= Sperm or Egg = Gametes=Haploid= nnAll Other Cells = Somatic Cells=Diploid= All Other Cells = Somatic Cells=Diploid= 2n2n

If If chimp’schimp’s haploid haploid number = number = 2424,, How many How many

chromosomes in achromosomes in achimp’schimp’s liverliver cell ? cell ?

If If chimp’schimp’s haploid haploid number = number = 2424,, How many How many

chromosomes in achromosomes in achimp’schimp’s eggegg cell ? cell ?

If If Horse’sHorse’s diploid diploid number = number = 6464,, How many How many

chromosomes in achromosomes in aHorse’sHorse’s liverliver cell ? cell ?

If If Alligators’sAlligators’s diploid diploid number = number =

3232,, How many How many chromosomes in achromosomes in aAlligators’sAlligators’s liverliver

cell ?cell ?

If If Dog’sDog’s diploid diploid number = number = 7878,, How many How many

chromosomes in achromosomes in aDog’sDog’s spermsperm cell ? cell ?

CONGRATULATIONSCONGRATULATIONS

If you completed this If you completed this round with around with a

minimum of errors, minimum of errors, you are readyyou are ready

to MASTER the Quiz.to MASTER the Quiz.

Good Good LuckLuck

Haploid vs Diploid

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