Pedigree Analysis methods - dominant, recessive and x linked pedigree
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- Опубліковано 15 тра 2016
- Pedigree analysis by suman bhattacharjee - This lecture explains about the different rules of pedigree analysis. It explains how to find a pedigree based on characteristics with examples as dominant pedigree, recessive pedigree and x linked pedigree.
Dominant inheritance - affect shown in every generation
recessive inheritance - skips generation
X linked recessive trait - Male offspring are affected more.
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Thank you for watching
Attention please.
Pedigree no 3 can be both x-linked recessive or autosomal recessive..
Very important to look again and again ..
Both possibilities are applicable..
Yes there is no any probability of x linked pass father to son but there is also a probability is that trait comes from mother...
At 15:55, Shomu says that, in X-linked recessive pedigrees, the trait NEVER transfers from father to son.
Both can apply here
@@KJKP but if both parents are affected, then the daughter is getting it from the affected father and the son is getting it from affected mother.
Because both father and mother are affected in the second generation, it is hard to discern whether the sons received the trait from mom or dad therefore allowing both autosomal recessive and x linked to be possible
I see you have professionalized your introduction. LOVE IT! I have been watching your videos for some time and am impressed with the direct, concise and thorough approach you take in your presentations. Your hard work is greatly appreciated and well loved by many students. Come visit MacEwan University Edmonton Canada!
+Elisabeth noe thank you. It's a pleasure to help you out.
two semester now gone, you have always been a life saver, keep up with the good work, brilliant videos there
Hey
You are the first person who explain logic behind the topic
You're welcome. Glad to hear that you're getting benefit from my lectures
@@shomusbiologyofficial Yes!
Thank you very much sir, the way you teach the concepts is amazing
Thank you so much sirr😍😍 from the past 3 -4 days I'm trying to understand pedigree but now at the time only I can understand the concept clearly with some golden rules .Now I can gain some extra marks in exam 😉
You're welcome. Glad you liked it
its make me to teach others very easily.thank u sir.
For the third question, from the diagram you can deduce that it's either x-linked recessive or autosomal recessive. It's unsure which one of the two is correct though, need more information.
Additionally, for the fourth question, it doesn't have to be x-dominant, there're other inheritance patterns that fit that pattern...
i also got that and i was so confused when he said it couldn't be x-linked recessive..
thankyou so much. i have exam tommorow, after watch this video i understand this pedigree methods
Glad it helped. Please share and subscribe
The autosomal recessive pedigree's third generation: "sweet home Alabama"
😂 u both go to evry video and say the same🙄😵🧐
lol I just noticed that
@@jaanvi6083 yah 😂😂
@@nandhiniv2218 i literally find this wtevr video i see yaar😩😴😒
lmao besttttt
Practice pedigree #2 and #3, I see it as being "Autosomal R" & "X-linked recessive"...
The rules about skipping generation and male to female ratio don't entirely eliminate x-linked. those rules are not always reliable.
Care to explain?
Ig the #2 is X-Linked Recessive
sir thank u very much for giving important message.
So simple concept...tysm sir 🙏🙏🙏🙏🙏
i spent a day a understanding my professors lecture about pedigree bcoz its included in my exam and i cant really understand it. and i watched your tutorial for the last minute, saw your vid and glad that u explain it well. now i can answer my exam later confidently. thank u so much. keep up the good work sir and keep safe. more power 💪🙌
Thank you so much for appreciating my efforts
DUDE. IM CLOSE TO MIDTERMS AND THIS IS A LIFE SAVER. YOU ARE SO SMART. I LOVE YOU, THANK YOU!!!!!!!!!! KEEP IT UP!
Thank you. Glad you liked my lectures
Thank you so much! Ur videos are the best!
Sir i have a question: what is the purpose behind checking whether an autosome linked disorder is dominant or recessive using pedigree analysis?Is the treatment of autosome linked dominant disorder and autosome linked recessive disorder different?
-This video was very very helpful , Sir.
Problem #4 can be autosomal dominant. I think Shomu’s “golden rules” might be more like strong suggestions with frequent exceptions.
I agree
Yes the 1st option is the correct BCOZ we have to take the left side also in our analysis 👍
Thank you! This helped so much!
Guitar
@@07soumimondal91 please what does that mean LMAO
It very important topic study with logic clearly explained . Great sir, please explain Disease HAE ( heardetry Angioedema )
ThankYou! For this helping video ❤i didn't understand ever about these conditions of pedigree, but i must say after i saw this i can easily solve my all questions related to these four traits... 🌸🌸✨✨✨
Thank you for this video! When we talked about this in class I was confused. Now I am having more clarity to the topic thanks to your video.
Thank you so much for appreciating my efforts
Yaa it's an nice outlook we can lay emphasis on x linked dominant if we see in the chart the ratio of transfer of disease from moter to son is more than father to daughter so it can be a x linked dominant
sir plz see again to question no 3 .It can also be x_linked recessive.
Thank you for uploading this video is very helpful
This is so helpful. Can’t thank you enough ❤
You're welcome
Thank you Sir, for providing such a clear explanation.
You're welcome
great VIDEO. Thank u too much
Shomu sir today I have answered all question except one from pedigree .It is all because of you.U r really god of biology.No words to say about u.soulful thanks from tamilnadu
Live saver! Thank you!
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Thanks for this video it's is very good
Thank you! Helped a lot.
You're welcome
in the last example, could u not also say that it could also be due to an autosomal recessive condition? i mapped it out and it seems to work.
It can never be recessive cuz its seen in all generations
Thank you! This video helped me understand the 4 different types of pedigrees for my biology exam!
You're welcome
Janvi Or jenvi?
Beautiful presentation ..concepts very concise❤
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Thank you shomu bhai....
Atlast got an explanation in English
thank you for such a nice explanation
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i love you. you saved my midterm exam :)
Thank you
THANK YOU SO MUCH...REVISING AND GOING WELL❤
Thank you so much for appreciating my efforts
Amazing video, thank you so much!!!!!!!!!
You're welcome
Very helpful video for understanding pedigrees
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thankyou very very very much...... sved my genetics exam.......
+Sahil Dhull thank you
Random Indian guy explaining the exact thing i didn't understand coming in clutch
All the best. BTW I'm not random Indian guy. It's Shomu from Shomu's Biology. The biggest reservoir of biology lectures in internet
Very helpful keep going on bro❤️🙏❤️
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You the best, I had to subscribe❤
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TOTAL BANGER EXPLANATION
Thank you
Vary helpful thank you(:
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Thank u so much
exellent explaination... wow amazing
Thank you
this was taught better than my teacher. thank you.
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You have explained it well, but i think that you should have written genotypes for each person. In that way we could see if we did the excercises well (3. and.4. exp). :)
Nice explanation
Wonderful thank you
You're welcome
In pedigree 3 in case of affected father do not pass traits to their son. But sons can be affected by affected female..
But affected sons can come from affected mother, and affected female can come from affected father...
Why not x linked recessive or dominant...
Sir with fue respect I want to know if the third problem solved is really autosomal recessive... Since in second generation the each of parents are coming from another family by considering that we can say that it's an x linked recessive trait. Correct me if I'm wrong.
Thank you
simply nice and understandable..
+Prathisha Ranjani thank you. Glad you liked my lectures
Neet wale like button😂
😂😂😂
Thank you so much sir 😊...... You explained it very well... But I didn't understand last two pedigree charts
According to me i think 2nd last is X-linked ressesive
And the last one
Brother, today is my exam. Wish me luck.
Thank you brother!
All the best
Nice one in all pedigree related classes which l saw
Thank you sir👍🏼
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Вау, это очень круто! Спасибо
Thank you sir for taking the class in English
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It really has helped 💓 thank you
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This is the first time I get it!!
Helpful
Thank you so much
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Your voice is soo sweet pleasant to hear bro🤘❤️
Thank you
thanks.
hey in this video there is five female are affected,and only four males are affected.how can this problem is autosomal? there is no 50-50 chance of both male and female being affected
Thank you sir.
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The explanation was excellent and worth seeing.
Best explanation with best examples ❤️
Thank you so much for appreciating my efforts
very helpful
I have a human hereditary mid term tomorrow… thank you!
Thank you
Sir, when looking at individual 7&8, could we say it's autosomal dominant because the trait didn't skip the generation?
Thank you, sir!
Very helpful
Thank you
Problem No. 3 follows x linked recessive inheritance...I have checked genotypically...
Please remove the confusion
o have a confusion that how can a trait be autosomal if more no of female are suffering from a disease
thank you so much sir!❤
Most welcome!
good concept power
+Sachin chaudhary thank you
Me too
really helpful my guy
Thank you
Love it ❤
Thank you
Explanation is good Sir. Thank you.
A small query Sir, "Among 1,5 and 7 Criss-Cross inheritance is observed. At 4 and 9 also depicting criss-cross inheritance. Why can't it be X-linked Sir?
Please clarify
Regarding case 3
Number 2 looks more like a case of Autosomal Dominant with reduced penetrance?
2023 and this video is helping me. Shout out to You
Thank you
i have a question for the fourth pedigree in the second generation dosen't the daugther also get affected even tho the father isn't dosen't that mean the daugther is affected from the mother but isn't that like impossible if it's meant to be x linnked
THANK YOU!!!!!!
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Thank youuuuu
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Thank you😇😇✨✨
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Best video 👍
Thank you
THANK YOU SM AAA
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Tysm sir.. Very crisp and clear explanation.. 😊👍
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Thank You Sir
You're welcome
no 3 is confusing sir,please recheck this
Thanku Sooo much sir
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Still confused
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@@shomusbiologyofficial wait wtf lol
😢
15:05, I don't understand why it would be a form of dominance. If both the parents were reccessive, then by crossing rr x rr, all the progeny are affected. Can someone please explain to me why it is a form of dominance?
Thank u brother
You're welcome