Heredity: Crash Course Biology #9

Heredity: Crash Course Biology #9



Hank and his brother John discuss heredity via the gross example of relative ear wax moistness.

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This video uses sounds from Freesound.org, a list of which can be found, along with the REFERENCES for this episode, in the . document here:

tags: crashcourse, science, biology, evolution, genetics, heredity, aristotle, bloodlines, gregor mendel, mendelian genetics, mendelian trait, classical genetics, chromosome, gene, polygenic, pleiotropic, allele, ear wax gene, somatic, diploid, gametes, sperm, egg, haploid, polyploid, dominance, dominant, recessive, heterozygous, homozygous, phenotype, punnett square, reginald c. punnett, sex-linked inheritance, autosome . CrashCourse on Patreon:

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Jasmine Al-FraijatLester WithersLaura ZweygardtPippin ForrestYosef Ben’Yah Recent comment authors
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Cesar DaChimp
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Cesar DaChimp

I inherited my Mom's crappy ankles. Seriously, my ankles are more crackly than a bloody fire.

Dm Carter
Guest
Dm Carter

I never knew ear wax was determined by the 16th Chromosome and that genetics was once understood from the philosophical perspective of Aristotle.

Yasmine Padilla
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Yasmine Padilla

Just wanted to let @CrashCourse know they are still saving students lives in 2020. =>

minstudio____
Guest
minstudio____

I'm watching this as I'm waiting for the bus

will siragusa
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will siragusa

when you realize john green is your teachers brother

electric bungalow
Guest
electric bungalow

Lets get John to do a Crash Course

Marissa
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Marissa

" Mom and Dad Green " LMfao

Fares Alamoodi
Guest
Fares Alamoodi

Mendel was Czech not Austrian

Muhammad Hafizul
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Muhammad Hafizul

you should have used other letters instead of W

Yosef Ben’Yah
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Yosef Ben’Yah

You’re channel is VERY entertaining, however it’s not much help for my class..

Pippin Forrest
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Pippin Forrest

1:28 made me laugh so hard

Laura Zweygardt
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Laura Zweygardt

I take it that John is a history major

Lester Withers
Guest
Lester Withers

BUT SOME WOMEN ARE XY AND SOME MEN ARE XX BRO GET WITH THE TIMES oh wait this was 6 years ago during the brief stint in which biology wasn't as messed up by politics

Haoxiang Xu
Guest
Haoxiang Xu

2020?

Esss' Fruit Jam
Guest
Esss' Fruit Jam

so the y chromosomes is the dominant one?

Zaakiyah Thomas
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Zaakiyah Thomas

JOhn: if were doing punnet squares im leaving
Me: if that was just easy for us sigh

Kingmamba K
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Kingmamba K

I apprecite john

B33P B00P
Guest
B33P B00P

ok this was so helpful and cleared up what I learned is a semester

John Beatty
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John Beatty

Know why Chelsea's so ugly? Janet reno's her father.

TheUnsaltedNut 6969
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TheUnsaltedNut 6969

Who’s here because there in quarantine and has no f*****g idea how to do the work

Juan Esteban Pernia
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Juan Esteban Pernia

You speak very very fast

Eduardo Angel Santana
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Eduardo Angel Santana

gayyyyyyyyyyyy im literally here because of my teacher

Bahaar Aggarwal
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Bahaar Aggarwal

Good lord, your dad has horribly ugly ears!😂😂

Kenesha Gray
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Kenesha Gray

I really enjoyed this video and you should do more videos with your brother. You two sound just alike and I love the chemistry between you two 😊

Therese Mignonne
Guest
Therese Mignonne

Mendel wasn't an Austrian monk, but Czech. Of course, it is only a small difference. 😀

MadiXOXO246 :D
Guest
MadiXOXO246 :D

Am I the only one who is watching this because I wanna draw a future child of my favorite ship? 😛

Ayushi Setia
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Ayushi Setia

try watching 9:32 to 9:36 at half speed

Jasmine Al-Fraijat
Guest
Jasmine Al-Fraijat

The dislikes are the weirdos who ended up here by accident…
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I'm one of the weirdos but I liked the video…..