Thomas Hunt Morgan and fruit flies

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Thomas Hunt Morgan's pioneering work that established the connection with sex and eye color in fruit flies (and thus helped validate the chromosomal theory of inheritance).

[@kdmorr3787]

I needed this. Reading it out of a text book is nonsense

[@fanenthusiast3802]

Kristin Morris well I guess it depends on how red eyed you are

[@rlai127]

at 1.25 speed

[@nitink3364]

Note :-
Red eye (i.e., w+) is the dominant character.White eye (i.e., w) is the recessively character.

[@nitink3364]

Don't reply please I'm speaking with myself.

[@arora7768]

@@nitink3364 thankyou

[@dasieblue4790]

I must thank you sirs. you helped me get through some of my classes while I was in school. I will of course continue to use these videos. mostly for personal use. but I did find these much more helpful than text books

[@lucareg2010]

I'm italian and I unsterstood everything you said unless I'm not very good in listening. You're great and your explanation was very clear...also for me!

[@johnsentris225]

my man do you do everything?!!! BIo, math, physics... what else?

[@faisalfarooqno.1]

Chemistry

[@debistutisaha4170]

Wow! Your explanation makes it all so easy... Far better than cramming it up from the books.

[@jean7298]

I’ve been reading my textbook for quite sometime and not understanding a single thing and after this video I’m able to FINALLY grasp the whole idea of sex-linked genes thank you so much!!

[@vibithasri6310]

I love the way you explain. Now I am clear with the Morgan experiment. Thanks a lot 😊

[@agentjwa]

i think i just learned more in 10 mins than i did in HS biology which i passed with a strong A. i did this exact experiment and at the time i didnt really realise what i was seeing in real time. 15 years later i finally realize what i was seeing back then.

[@alessandrosani4568]

Very clear and precise presentation. Thanks

[@makersdude8]

This is taking me back to my Genetics lab in college. Great video

[@mickeymanimouse]

putting this on 1.5 speed is so much better

[@zuhairreza]

I feel like I just made him a bit abnormal... 😂😂

[@ProPlayerGamerYT]

1.25 speed is the best

[@jettburns8879]

Wow, that's interesting. Looking forward to website release, love your videos Sal(man)!

[@THEFLASH-xb3yg]

really helpful video thank u

[@nuradriana6643]

THANK YOU SO MUCH FOR THIS CRYSTAL CLEAR EXPLANATION! GOD BLESS

[@drujjawalrathore]

Greatly explained! I'm a fan of yours!

[@ayushsahu7249]

Nice sir thank you for your time and consideration

[@sudheekshag8257]

awesome explanation!!

[@walrusindustriesnyc3713]

great video---well explained.

[@NC-mv1rw]

Thank you so much! This made so much sense!

[@Dr_Asma_physio]

Nice explanation!

[@edfuadmo9995]

Thank you 🙏 teacher I understand clearly

[@shirinamani4568]

Thank you so much

[@amandev7371]

thank u very much sir
you r the saviour

[@EmanRapp]

Very clear explanation! One thing I would have liked to see is some content about exceptional females and exceptional males.

[@attaullah174]

Thanks

[@v-mariewilliams7058]

so helpful

[@elchtastisch2732]

I am from Germany an i love your vids. Gut Weiter so! Thumbs up!

[@GaranceDenaux]

thank you very much

[@Midas-angry]

So so thanks

[@mrsdiggory3211]

thank you so much , Love you khan academy~~

[@russ8156]

Where is your hijab? 😐❤

[@karimzidan7823]

what if we cross a heterozygous female with a white-eyed male? wouldnt that result in a white-eyed female?

[@abhimanyumhatre6817]

I dont need sleep. I need answers.

[@riasaqib9032]

much better than my textbook

[@namratha6818]

thank u so much sir.. i didn't understand this in my school..

[@byehii4027]

Hello, can anyone help me with the dihydride problems of Drosophila when both traits are on the sex chromosomes🤦‍♀️

[@pragatipriyadarshni8666]

What is the topic discussed before this? How to find out?

[@rajkumargupta-on2ff]

Nice explanation from INDIA@RAJ PERCIVAL

[@sm__akash]

my professor should take tuition from you on how to teach

[@asifkhanpathan41]

Good

[@nazishkanwal2842]

greatest

[@kingsurya3215]

In NCERT it's white eyed female is crossed with red eyed male

[@gameboycharanyt6723]

wait... can't you do the XwXw+ and cross it with the XwY male and get a XwXw female?

[@gameboycharanyt6723]

That is in the third Generation

[@krtdhi7007]

But why does my textbook use some other characteristics like wings and which color that they have . We didn't use eyecolor .😭

[@machday14]

krt dhi that concept is applicable to wings. If you do more on mendelein genetics you will realise the concept can virtually be applied to anything. When it comes to plants, flies etc.

[@krtdhi7007]

Oh thank you

[@Mmouse.]

0:23 A SCIENCE THEORY, thanks for watching 😎

[@SwissVyte]

but on a third generation wouldn't it be possible that a female white eyed fruit fly occurs? Because you can end up crossing a homozygous recessive male and a heterozygous female?

[@randysteele5466]

2:46 Wincest

[@saintofchelseathomascarlyl5713]

finalyyyy!!!!! i got it now it was too hard in class

[@ramezmichel3105]

what would happen if we would mate the white eyed male (Xw Y) with red eyed female ( X w+ X w) in the F2 generation ? wouldn't it produce a white eyed female ( Xw Xw) ?

[@gracealqueza88]

Ramez Michel yeah and that happens really rare but then theres a chance it wont happen to their offspring

[@animation1075]

Someone please answer this !

[@machday14]

If you mated a white eyed male which would have a allele w for white mutation phenotype with a wild-type female. In the F1 generatipm you would have a typical 3:1 ratio of wild type flies to white. Only that the males will have white eyes because the gene for white eyes is sex linked. That is based on my little knowledge thanks.

[@samiii19]

but what if you cross a heterozygous wild type female with red eyes (w+ w) and a white male, wouldn't half of the offspring consist of white eyed fruit flies, from which 25% is female , and the other 25% male?

[@phinie1487]

Ramez Michel I thought of the same thing!!!

[@roussothyda9733]

🙏🙏🙏🙏

[@haleypeek5544]

I pitched a fit in high school declaring this information as irrelevant to spend my time learning, now I’m 31 and planning a snake breeding business. Stay in school kids lol

[@natopal0819]

!!!

[@RyanMerolayeah]

first

[@bleepnsheep2310]

How did Morgan determine which of these flies were gay?

[@agt313]

+Bleepnsheep They discontinue since they don't have offspring. Their whole life is 40 days. So In 120 days 3 generation of fruit flies will bass by you.

[@rahmathossain495]

Wow one male and alot of female in test tube😂