Gene Mapping, Percent Recombination and Map Units

  Рет қаралды 207,116

Andrey K

Andrey K

9 жыл бұрын

Donate here: www.aklectures.com/donate.php
Website video link: www.aklectures.com/lecture/gen...
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Website link: www.aklectures.com

Пікірлер: 69
@genghislad6195
@genghislad6195 6 жыл бұрын
You ,Sir,deserve a medal of honor for providing quality content in diverse biological fields for students all over the world ,I'm subscribed since 2015 and you never fail to help me,Thank you is just not enough,the only thing I could do for you is invite you for a diner ,if by any chance you come to Paris just tell me please.
@fluffy-bunny3560
@fluffy-bunny3560 7 жыл бұрын
You're a great teacher, thanks so much for these videos
@saracarlton9524
@saracarlton9524 4 жыл бұрын
youre a fantastic teacher! thank you so much, it' s hard to find informative videos on genetics but yours help so much
@kayleemarance8680
@kayleemarance8680 8 жыл бұрын
You are flawless, thank you SO MUCH!!
@Finlagg
@Finlagg 8 жыл бұрын
Thankyou AK so much for helping me understand! As other people commented: fantastic simplification!💪🏾
@francescazoppas792
@francescazoppas792 8 жыл бұрын
You are my hero! Thank you so much!! You've saved me by Genetics exam :)
@karenbasaves4741
@karenbasaves4741 4 жыл бұрын
Thank you! It was a great explanation and honestly such a lifesaver!!
@mprizola1
@mprizola1 8 жыл бұрын
Very helpful, thank you!
@NieceyWeesey
@NieceyWeesey 9 жыл бұрын
You've just saved my life.
@samiyanoornorin
@samiyanoornorin 7 ай бұрын
This man descended from heaven. No cap.
@edGoldi
@edGoldi 7 жыл бұрын
thank you youre a great guy
@hamedhosseini4938
@hamedhosseini4938 8 жыл бұрын
This was a great help sir, subbed :)
@muneebahmad8236
@muneebahmad8236 8 жыл бұрын
Thank you ak lacture
@AsgharKhan-bv2hc
@AsgharKhan-bv2hc 6 жыл бұрын
very helpful,thanks dear.
@junaidmaniyar421
@junaidmaniyar421 4 жыл бұрын
You taught really well 👍 🙏🙇
@celestial4646
@celestial4646 6 жыл бұрын
Thank you!
@NicoxSD
@NicoxSD 7 жыл бұрын
Thanks a lot, the video was really useful, but i have a question in a homework problem is the following instruction: "If instead of the test cross (not shown here), two triple heterozygotes were crossed, what would be the proportion?", the tricky part of this problem is that male fruit fly doesnt have recombination, and that confuse me a lot, because, normally in this kind of problem is implied that the male is homocigous, which isn't the case in this problem. So basically my question is, how can i set this problem? thank you.
@Vee_nema
@Vee_nema Жыл бұрын
Thank youuuuuuu😭 literally saved my life tonight
@Juju-bj7wh
@Juju-bj7wh 8 жыл бұрын
many thanks !
@surat8591
@surat8591 5 жыл бұрын
Thank you so much ❤️💕😊😊
@761ritika8
@761ritika8 3 жыл бұрын
Thanks for great help sir .....Lots of Love from your Indian student ❤️
@moorcakesindra774
@moorcakesindra774 8 жыл бұрын
换笔换的好辛苦啊哈哈,very clear and helpful, thank you so much
@user-fq2pg4ui7i
@user-fq2pg4ui7i 3 жыл бұрын
Very helpful thank you so much
@melody8116
@melody8116 7 жыл бұрын
unfortunately the final consequence of recombination mapping was interrupted and the video suddenly ended!
@naginakhan1ify
@naginakhan1ify 5 жыл бұрын
Good explaination
@kekefaye3
@kekefaye3 7 жыл бұрын
Thank you soo much sir
@glenrooney9919
@glenrooney9919 3 жыл бұрын
You are a legend!
@vladchalenko4456
@vladchalenko4456 5 жыл бұрын
You need to write a "/" between your genotypes to specify which alleles are on the same chromosome together. For example, part b should be written as "Gn / gN" because without that notation how do we know its not "GN / gn" when you tell us the genes are linked?
@nurlatifahmohdnor8939
@nurlatifahmohdnor8939 2 жыл бұрын
Page 326 H zone = The region of a striated muscle fibre that contains only thick (*myosin) filaments. The H zone appears as a lighter band in the middle of the dark *A band at the centre of a *sarcomere.
@ryanbogucki9062
@ryanbogucki9062 6 жыл бұрын
nice video!!
@khusheasypianospanish9460
@khusheasypianospanish9460 2 жыл бұрын
Thanks a lot from india
@surensam6122
@surensam6122 8 жыл бұрын
Why can the frequency of the recombination between linked genes not exceed 50%
@AboutAverageMedia
@AboutAverageMedia 6 жыл бұрын
Jesus christ dude, you're a life saver.
@AnTran-rc8yj
@AnTran-rc8yj 5 жыл бұрын
For the heterozygous GgNn doesn it produce 4 gametes GN, Gn, gN and gn? so in F2 generation you should have 500 GgNn, 500 Ggnn, 500 ggNn and 500 ggnn? genotypic ratio of 1;1;1;1? or am i wrong?
@mau345
@mau345 4 жыл бұрын
Had the same question at first but i think the assumption is that you know the placement G and n are across the same DNA single strand from the mother, and the g and N from the father. And so technically, without cross overs, the resulting gamete should only have those pairings. One knows simply because he/she is the one who genotyped the parents and did the cross.
@shubhamaryan2972
@shubhamaryan2972 11 ай бұрын
Can we say the genetic map distance as , CentiMorgan unit?
@rezaaliharsini7583
@rezaaliharsini7583 2 жыл бұрын
Legend!
@amnamohayyuddin6326
@amnamohayyuddin6326 4 жыл бұрын
Plz i need 2nd part of this video.. it ends in the middle of explanation.. can anyone plz tell me where is remaining video.. plz i need that.. thanks
@larsneirynck8891
@larsneirynck8891 3 жыл бұрын
My book says here that you can only have this recombination frequency with a female. So if you use a male, then it would be 50%-50%, like normal. Is this correct? Can someone maybe explain to me why it is like that? Thank you :)
@annav2295
@annav2295 2 жыл бұрын
females have a higher recombination rate than males ( 70% vs 50%)
@khabbabalnimer4434
@khabbabalnimer4434 8 жыл бұрын
Great job ^_^
@kiwivds1706
@kiwivds1706 8 жыл бұрын
is 1 map unit = 1 centiMorgan? bacause our teacher said 1cM = 1 recombination percentage
@sukhpreetsingh5603
@sukhpreetsingh5603 7 жыл бұрын
Kiwi VdS centimorgan is map unit
@alexandralynn186
@alexandralynn186 6 жыл бұрын
All of them are equal 1 map unit = 1 centimorgan = 1 recombination percentage
@akriti506
@akriti506 3 жыл бұрын
Sir can you explain combining map segments ?...?...plzzz sir my exam zzz so near
@RachelHannah363
@RachelHannah363 3 жыл бұрын
Why cant this man be my genetics professor
@NieceyWeesey
@NieceyWeesey 9 жыл бұрын
Hey what would happen if you assumed the genes weren't linked?
@NieceyWeesey
@NieceyWeesey 8 жыл бұрын
Oh gosh this was ages ago, I passed that exam. BUT THANK YOU!
@NieceyWeesey
@NieceyWeesey 8 жыл бұрын
Good luck !Wembly Ames
@TB-12
@TB-12 8 жыл бұрын
isn't the recombination frequency 20% 200/1000?
@jemand4036
@jemand4036 5 жыл бұрын
Its 200/2000, so 10%
@SMS.WAHEED
@SMS.WAHEED 4 жыл бұрын
Sir the voice is low. Lecture is awsome
@aylh9917
@aylh9917 4 жыл бұрын
please come to my uni n teach!!!
@lanlanny6440
@lanlanny6440 3 жыл бұрын
👏
@nelsonm6530
@nelsonm6530 4 жыл бұрын
bro fix your audio, great explanation tho
@keelerfuzz
@keelerfuzz 6 жыл бұрын
drink everytime he says basically means
@AKLECTURES
@AKLECTURES 6 жыл бұрын
You'll get drunk in under a minute :-)
@BuffMother
@BuffMother 6 жыл бұрын
your volume is too low
@banaalani7216
@banaalani7216 6 жыл бұрын
sorry but this video​ is not helpful as other videos! It is so confusing and contains much basic info that we should already KNOW since we're talking about genetic mapping as microbiology concept
@dma67111
@dma67111 7 жыл бұрын
Ur constant marker capping is throwing off the timing. Pls just leave the caps off im certain the ink will not dry out in a continuous 16min vid.
@dma67111
@dma67111 7 жыл бұрын
As a matter of fact ur 16min vid could have been shortened to about 12-14min if u lose the caps entirely
@jacksonbertone2801
@jacksonbertone2801 6 жыл бұрын
Be nice
@Dbzamended
@Dbzamended 6 жыл бұрын
It is crazy how much work this guy puts in to help us learn and the only thing that Donicio can comment on is capping the markers.
@martondemeter4203
@martondemeter4203 6 жыл бұрын
Actually if you fasten the video up to 2X, you save a lot of time to live your shitty life:D
@ayeshaayesha3041
@ayeshaayesha3041 5 жыл бұрын
Your ungrateful ass should learn to be patient.
@tl4340
@tl4340 7 жыл бұрын
I hated this video. Confusing. Like my textbook, there seems to be an obsession with explaining things in terms of historical experiments with fruit flies (and the commensurate confusing terminology for their phenotypes). Why not just draw out the chromosome, and explain it in terms of molecular biology?
@reinlikeafilter
@reinlikeafilter 4 жыл бұрын
ur just dumb
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