Numericals on Hardy Weinberg principle
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- Опубликовано: 18 окт 2024
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Directly 2pq will give 0.48 !
@Abhi Panchal because according to hardy Weinberg principle p2+2pq+q2=1.....where 2pq represents the frequency of occurrence of heterogeneous alleles in a population when no genetic drift or gene flow take place
@@shubhashispaul9138 👍👍👍
yeah, it's so simple
I also thought why he is rotating the simple thing
Similarly in que 2 also...We know 360/1000 are AA so A^2 = 0.36 hence A=0.6...Damm easy why did he confused people
Good morning bhaiya. Bhaiya can you please make a separate playlists in which you include all the topics of the various chapters which are out of ncert textbooks but important for NEET and AIIMS. That will really help us to focus on that very well. Because I completed my ncert and want to focus on topics which are not in ncert but comes in NEET. Please reply bhaiya
Hellw Vipin Ji .. In Hardy Weinberg equation, the no. of heterozygotes is multiplied by 2.
The equation is *a2 + b2 + 2ab = 1.*
So don't you think that 0.52 after being subtracted from 1 should be divided by 2 in the end ??
@Diksha Tripathi
Actually we shouldn't divide 0.52 by 2.
It's because in punnet square we get one dominant homozygous, one recesive homozygous and TWO DOMINANT HETEROZYGOUS
@@akhiladas100 Thanks. But I'm sorry, I couldn't understand. Why to construct Punnet square when we have the simple Hardy-Weinberg equation for this type of question ?
I have the same doubt dear
Diksha Tripathi no
Same doubt
Tq so much my dear brother
From South India
In the fst que we can easily put the formula of 2pq to get the answer right?
Sir in 1st numerical we have to find Ab and the eq is a2 +b2+2ab=1
So .36+.16+2ab=1
.52+2ab=1
2ab=.48
Then to get ab it should bw divided by
.48÷2= .24
Sirr plzz answerr itt i am confused
You cannot deviate simple you use. 2pq put the value p and q
Tysm
Nice one
Great questions sir.... can we have some more questions...your explanation was awesome sir
Sir is this is the only pattern of questions asked from Hardy Weinberg equation?
As usual it helped me so much
Thank you Vipin for this help
In second question we can directly found it by =√360/1000
In 1st question... A^2 +b^2 + 2Ab = 1... Will not divide 0.48 by 2 ????
Even I have same doubt
yes why its not divided....
No of heterozygotes are 2pq and not pq so you need not divide by 2
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Good morning bhaiyya 🤓😊....
Tysm for the lecture.....😇😇
Finally got this concept with much clarity...thank you Sir🙏
Bhaiya but hardy weinberg principle me to heterozygote 2pq hota hai .kya hme divided by 2 nhi krna
Sir you are best cos of your videos i got to understand whole evolution
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It was Informative.
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Sir lekin formula mai to p²+q²+2pq=1 tha par numerical kuy p²+q²+pq=1 se kiye? Plz answer
Make video on excretory products and their elimination
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Bhi in Q1 ,no. Of heterozygots is 2pq=2 into 0.4 into 0.6=0.48.
Just in one step😊
Thank you
Sir please give videos early there is less time to complete remaining chapter for NEET2019
Did you got seat
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Aap ne book main jo picture di h hardy principal k neeche woh nahi bataya
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Thanks a lot now I can do it with out any mistake
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If out of 200 ,150 have round seeds and remaining 50 have wrinkled seed. What would be value of AA??
I mean how can we calculate total no of heterozygous and homozygous individuals??
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What's your neet result neha
@@karanarya7949 😁
Same question arise in my mind
NEET result neha?????
Please help sir in ploblem :
In a population with equilibrial condition,3360 individuals out of 4000 are tongue roller ,then what will be the number of individual with heterozygous condition"
3360 are tongue rollers ( AA + Aa) and hence 640 are non tongue rollers (aa)
Therefore f (aa) = q(squared) = 640/4000 = 0.16
Therefore q ( freq of allele a ) = 0.4
Therefore p = 1 - q = 1 - 0.4 = 0.6
Therefore p(squared) = freq of AA = 0.6 (squared) = 0.36
Now according to H-W principle
p2 + 2 pq + q2 = 1
0.36 + 2pq + 0.16 = 1
Therefore 2pq ( freq of Aa) = 0.48
Therefore Num of heterozygotes = 2pq (freq of heterozygotes) × 4000 (total individuals)
= 1920
Hope that helps! @Sunny Tenpe
There are two populations of birds having AA=600, Aa=200 and aa=200. In another population, AA=400, Aa=400 and aa=200. If 20% of the homozygous recessive trait containing birds and 25% homozygous dominant type birds migrate from population I to population II, what will be the new gene frequencies in the population II ?
What is the solution of this? Plz help me i need solution
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Bhaiiya aise numericals kitne marks ke liye ate hain CBSE boards main???