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Pedigrees | Classical genetics | High school biology | Khan Academy
Рет қаралды 646,455
6 жыл бұрынAn introduction to reading and analyzing pedigrees.
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@jaredackley7997 5 жыл бұрын
who else has an exam in an hour and is cramming
@uduakntuenstv9629 5 жыл бұрын
Jared Ackley same here
@twitchopasteee3809 5 жыл бұрын
Jared Ackley 10 minutes
@lopstersharks9385 5 жыл бұрын
Tomorrow
@Alexlabtester 5 жыл бұрын
Yes
@connormitchell9220 5 жыл бұрын
Year 10 exam in 2 hours, this shits so hard
@pyxidis1632 3 жыл бұрын
6 minutes taught me more than my biology teacher has in 90 minutes
@dannnxo 2 жыл бұрын
Fr you aint even lying
@kivan6657 2 жыл бұрын
no cap brother
@rachelnazario2181 2 жыл бұрын
Frrrrr
@jareth3387 2 жыл бұрын
Fr
@meileytat 2 жыл бұрын
HELP SAME
@xoxoali9070 5 жыл бұрын
procrastination at its finest
@superALA-ff6us 3 жыл бұрын
why you gotta call me out like that
@reggiewastler7305 3 жыл бұрын
How did you know
@ItsKruski 3 жыл бұрын
I love his hand writing and voice... perfect
@emmanuel_toowavy8282 3 жыл бұрын
This 6 minutes video Taught me well more than what my biology teacher would do in 3 hours 😬
@BobsBites 6 жыл бұрын
At first I thought it is pedigree for DOG FOOD, but now I know its a lesson.
@theorange8755 4 жыл бұрын
😂😂😂😂😂
@thespectator700 3 жыл бұрын
lol
@lumiere3711 3 жыл бұрын
I thought so too but when my prof introduced the lesson I was like why is there circles and squares xD
@shagganuereeves158 3 жыл бұрын
Appreciate this man for teaching us
@papupradhan9920 6 жыл бұрын
I want more on PEDIGREES
@legendsthatlast1510 Жыл бұрын
God bless you! I could never understand it but you broke this down so well compared to my college textbooks! We do not even currently have a lecture! Taking Biology online was a mistake on my part!
@jazzylovesth 3 жыл бұрын
thank you so much! i'm working on homework right now and you explained it very clearly, well done!
@Starrymoon_star 7 күн бұрын
A 6 min vid explained better than my math teacher in 1 hour thank you so much sir I wish my teacehr was like you much loves and thanks!!🎀🎀🎀
@14debi59 3 жыл бұрын
English and your explanations are excellent .
@sobiakhurram4955 6 жыл бұрын
Mr. Khan you're awesome
@backstreetfan2887 3 жыл бұрын
I just love hearing Sal teach keep up the good work thank you for all you do
@iloveyunseomuch 9 ай бұрын
thank you this explained it so well
@jookie4207 2 жыл бұрын
Yes, but how can you tell whether the pedigree displays a dominant or recessive allele? You just gave us the answer that it’s dominant but didn’t tell us how.
@selenite3890 Жыл бұрын
it's hard to explain, but you look at the ones that are colored in. generally if there are more that aren't colored in its recessive, but that's not always the case. here, you can tell because the only family where none of the children have freckles is the one where the first generation's daughter doesn't have freckles and in everyone else, freckles are more common.
@sukshasakura4997 4 ай бұрын
Isn’t because there isn’t carrier ? It’s either affect or unaffected in the dominant while it can be affected, unaffected, and carrier in the Recessive
@gu5ie674 3 жыл бұрын
this was amazing thankyou!
@shubhchoksi2346 2 жыл бұрын
this helped me so much thank you
@bobbywang9223 4 жыл бұрын
Thanks for the video 👍
@njlaotb3102 4 жыл бұрын
Thanks ❤️
@appreciantinx4214 6 жыл бұрын
Pedigree sounds like the dog food
@kerbygalang4509 5 жыл бұрын
looks familiar huh, then u a dog?
@beepyho Жыл бұрын
Thank you.I'm really sure that I am good enough thanks to you.
@beepyho Жыл бұрын
Good
@beepyho Жыл бұрын
Great
@shiveshsatyakam7468 2 жыл бұрын
Bhai bahut aacha bataye hain i clear my concept from 0 to1
@biochemfusion 2 ай бұрын
Outstanding sir
@princeicio 5 жыл бұрын
If both parents are affected by a certain trait, does that mean they're gonna pass on that particular trait to all of their children?
@kjhuncho4631 5 жыл бұрын
if its recessive , the children might be unaffected
@user-xc2sl5il4k 4 жыл бұрын
It depends if the parents' trait is heterozygous or not, i.e. if the genotype for the trait is heterozygous then there will be a certain probability wether or not the trait is passed on or not
@cakey1668 6 ай бұрын
I think the answer is it depends. I will define 'passing on that particular triat' as 'having same phenotype as parents'. If the alelle linking to the trait is autosomal recessive, then yes. If the alelle is autosomal dominant: -If at least one parent is homozygous dominant then yes. -Otheriwise there is a 25% chance that the children have different phenotype than their parents. If the alelle is X-linked and dominant: -If the mother is homozygous, then yes. -Otherwise, all female offsprings will have the same trait as their parents. There is a 50% chance for male offsprings to not express the trait. (75% chance for trait to pass on to children) If the alelle is X-linked and recessive, then yes. The alelle cannot be Y-linked since the trait affects both parents. Please let me know if I'm wrong. I know I'm five years late but I just want to answer it
@princeicio 6 ай бұрын
@@cakey1668 I don't know much about biology or genetics, but thanks for taking the time to enlighten me
@cakey1668 6 ай бұрын
@@princeicioI'm glad to be of help!
@xdrenteria4124 5 жыл бұрын
Our teacher made us watch this.
@itzjoemama_ 4 жыл бұрын
same
@koni6836 3 жыл бұрын
Same
@Veron68778 3 жыл бұрын
Same
@slimtuleii 2 ай бұрын
Thank you so much
@kundana2005 Жыл бұрын
Amazing video, thank you very much!
@757_girlt5 3 жыл бұрын
Thank u
@sciencenerd7639 2 жыл бұрын
Very helpful, thanks so much
@VaakOfKhorri 2 жыл бұрын
01:40 thats what schools dont teach us
@beamyopinta7893 6 жыл бұрын
It's just uploaded after I took Biology exam =-=
@namitapanda3092 3 жыл бұрын
Lolol
@hatichestrange8368 6 жыл бұрын
good
@kristallynn1755 2 жыл бұрын
thank you🙏🏼🙏🏼🙏🏼
@Ahmed-bb4yp 4 жыл бұрын
How were you able to tell that they are autosomal dominant, and not autosomal recessive?
@EdmundDerwent 4 жыл бұрын
It is given in the question/statement for the pedigree. You shouldn't be asked to work this out in the question.
@PinkamyElectricwala 4 жыл бұрын
That's cause ALL the generations are affected as in if u see an affected individual and then look up to their pedigree the parents are affected so it's a dominant trait
@taylornewton5988 4 жыл бұрын
@@PinkamyElectricwala This pedigree could be showing either a recessive disorder OR a dominant disorder based on my worked solutions? For the disease to be recessive the genotypes of generation 1 would be switched with the female being homozygous recessive and the male being heterozygous resulting in a 50% chance of offspring containing the trait. Every affected person would be homozygous recessive and each non affected would be heterozygous (except for II-1 which could be homozygous doinant or heterozygous)
@frankcao7727 2 жыл бұрын
thanks
@massive218 6 жыл бұрын
pedicure
@sherwinthirumavalan2477 6 жыл бұрын
hey
@GamererrReal 4 жыл бұрын
did he say anything about partly filled in shapes?
@maybe_magic_bird4617 4 жыл бұрын
Partly filled in is a carrier
@foopx 3 жыл бұрын
You're a god
@amerakkari4617 3 жыл бұрын
استاذ اونلاين خاص لك Mathmatics Physics Biology Chemistry
@bryanfrausto3642 5 жыл бұрын
Blue face baby
@Nickiisqueenofrap 5 жыл бұрын
Yea aight I'm every woman's fantasies
@KhoiTTA 5 жыл бұрын
Bryan Frausto bust down thotiana
@bryanfrausto3642 5 жыл бұрын
Momma always told me I was going to break hearts stupid don be mad at me
@prankie727 4 жыл бұрын
How u decided having frekel is dominanat
@emma-z 4 жыл бұрын
GOOGLE
@user-oo6rh1tx5i 6 жыл бұрын
When are you going to put a translation into the Arabic language in your videos
@ItsKruski 3 жыл бұрын
but if you can speak English why have it in Arabic I understand that the majority could also need it in Arabic
@Lumenxii 2 ай бұрын
5:09
@ccvvs Жыл бұрын
for generation 1, how do you know that the male if ff? What if they have the recessive gene of freckles but doesnt appear on their physical appearance
@ccvvs Жыл бұрын
is*
@ShiannaFury 9 ай бұрын
Freckles are a dominant gene, so they’ll always show up whether it’s FF or Ff. The male doesn’t have freckles, so he is homozygous recessive!
@agerncygumbo2419 3 жыл бұрын
finally get it
@fikerabigia Жыл бұрын
ion get it
@austincornelius3172 4 жыл бұрын
who else is currently at an exam and cramming
@MrSlim_Gaming 6 жыл бұрын
is it medicine or biology ?
@KeiW_ 6 жыл бұрын
I learned this in Biology
@MrSlim_Gaming 6 жыл бұрын
which grade? or college?
@papupradhan9920 6 жыл бұрын
It is modern Genetics
@MrSlim_Gaming 6 жыл бұрын
i asked about level
@KeiW_ 6 жыл бұрын
10th Grade Biology Honors
@biochemfusion 2 ай бұрын
I've a confusion about offsprings? In this case you've shown 3 offsprings in 1st generation, maximum how many offsprings we can draw???? How to know how many children would be effected and how many would be normal??? Please do react
@wagishasharma2852 2 жыл бұрын
What I didn't got in weeks....that I got in just minutes....
@jonno9412 2 жыл бұрын
Battlepass
@kramchancel1266 Жыл бұрын
bro you guys deserve a Nobel prize
@xlemzy 3 жыл бұрын
Ah, virtual school
@User89018 2 жыл бұрын
I am here because my college professor for bio is terrible
@naysathomas1442 4 жыл бұрын
can you do a video on sex linked disorders
@_itsjustcat 3 жыл бұрын
What if both parents show the trait but not all of their offspring show the trait??? Would both of the parents genotypes still be Ff?
@leslynbriones6946 2 жыл бұрын
what is teh other genotypes for their offsprings?
@ash-eu3ex 2 жыл бұрын
pls tell me what to put in the exam lol i'm dying i've been watcjing this for 30mins and don't even understand a single sh*t
@srisankalpamishra3006 4 жыл бұрын
Nice!
@jbcloak1458 3 жыл бұрын
Keep your comments to yourself I’m trying to learn
@srisankalpamishra3006 3 жыл бұрын
@@jbcloak1458 😅When did I reply to you either😆
@pravdahoff1202 3 жыл бұрын
@@srisankalpamishra3006 Vik is that you
@srisankalpamishra3006 3 жыл бұрын
@@pravdahoff1202 What does that mean?
@pravdahoff1202 3 жыл бұрын
@@srisankalpamishra3006 Joe Mama Bruh Sleath 100 Lmao 🤣you 😂🤣
@wildernesstv4210 2 жыл бұрын
It’s funny because I have to learn this in 8th grade
@biochemfusion 2 ай бұрын
Please sir 🙏🙏
@samranhaider4815 9 ай бұрын
Presentation
@sangita182 3 жыл бұрын
Just Waoooo❤️❤️❤️❤️❤️
@icampinbushes3672 4 жыл бұрын
Who else in Mr.Mclin watching this
@mengenliu3258 3 жыл бұрын
Isnt this also autosomal recessive
@Kryshma 3 жыл бұрын
I think this is an autosomal recessive because the fact that in the 2nd generation is Aa in female and aa in male, the 3rd generation should produce atleast one heterozygous offspring. Correct me if I'm wrong.
@wumboshorts 6 ай бұрын
@@Kryshmai went straight to the comments because i thought the same thing-i think it can be either 😂
@trickyok5101 Жыл бұрын
Final exam in 30 minutes
@Ryan-fi2ul 4 жыл бұрын
neglected to communicate there is a Y chromosome on the males
@tomxd7660 Жыл бұрын
That’s only relevant when talking about sex-linked inheritance
@kapilsharma-ju3th Жыл бұрын
Ghanta kuch samajh nahi aaya
@Chaku-tf9ui 5 ай бұрын
You needa neurons in your brain to understand,but poor you you don’t have neurons and therefore a brain to begin with…You brainless zombie go and find a brain cuz without brain you won’t understand a thing!
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