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WJEC A-Level Biology Unit 4 (1400U40-1) - 14 June 2024 [Exam Chat]

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How well did your WJEC A-Level Biology Unit 4 exam go today?

WJEC A-Level Biology Unit 4 (1400U40-1) - 14 June 2024 [Exam Chat]

Welcome to the exam discussion thread for this exam.
Introduce yourself! Let others know what you're aiming for in your exams, what you are struggling with in your revision or anything else.

Wishing you all the best of luck. :yy:

General Information
Date/Time: 14 June 2024 AM
Length: 2h

Good luck!

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Reply 1

xx.arclark

How did everyone find it?

Reply 2

shd14235

Original post

by xx.arclark

How did everyone find it?

I didn’t like the qer, would’ve liked more reproduction

Reply 3

Mialilyd

What did everyone get for the Hardy Weinberg dd DD and Dd frequencies?

Reply 4

shd14235

Original post

by Mialilyd

What did everyone get for the Hardy Weinberg dd DD and Dd frequencies?

0.81 and 0.18?

Reply 5

bethanp123

Original post

by xx.arclark

How did everyone find it?

awful

Reply 6

tenacious-circle

Original post

by bethanp123

awful

agreed!!

Reply 7

tenacious-circle

Original post

by xx.arclark

I got that

i did not get this 🥲

Reply 8

Mialilyd

Original post

by tenacious-circle

i did not get this 🥲

Neither I got like 0.09 0.42 and 0.49 😭😫

Reply 9

Jroy

Original post

by shd14235

0.81 and 0.18?

Yh I got that

Reply 10

Jroy

Original post

by Mialilyd

Neither I got like 0.09 0.42 and 0.49 😭😫

Yh It was one of the hardest HW questions I've done before. I took a lot of time to understand it but basically the Second horse had 2 genotypes which made the questions very awkward.

Reply 11

shd14235

Original post

by Mialilyd

Neither I got like 0.09 0.42 and 0.49 😭😫

Would’ve been 9/900=0.01 and then square root it to find the other numbers

Reply 12

tenacious-circle

Original post

by Mialilyd

Neither I got like 0.09 0.42 and 0.49 😭😫

i got these answers at one point, i can’t remember for the life of me what i put as the final answers

Reply 13

xx.arclark

Grade boundaries will probably be lower than last year?

Reply 14

staycyoungluv

Original post

by shd14235

I didn’t like the qer, would’ve liked more reproduction

same i did not go through mutation at all and i only had like 10 ish mins left when i got to the QER (i did option A first)

Reply 15

shd14235

Original post

by staycyoungluv

same i did not go through mutation at all and i only had like 10 ish mins left when i got to the QER (i did option A first)

I ran out of time too, same with unit 3, I feel I left so many answers blank

Reply 16

shd14235

Original post

by xx.arclark

Grade boundaries will probably be lower than last year?

Hopefully

Reply 17

Bobabbg

Original post

by Jroy

Yh It was one of the hardest HW questions I've done before. I took a lot of time to understand it but basically the Second horse had 2 genotypes which made the questions very awkward.

Do you think for the next part of the question they would’ve accepted selection pressures and migration as reasons why not in equilibrium?

Reply 18

staycyoungluv

Original post

by shd14235

0.81 and 0.18?

yeah it was p^2=0.81, 2pq=0.18 and q^2=0.01

Reply 19

staycyoungluv

Original post

by Bobabbg

Do you think for the next part of the question they would’ve accepted selection pressures and migration as reasons why not in equilibrium?

idk i actually drew the equilibrium sign in chemistry somewhere at the question paper when i was figuring out wtf is going on then i wrote some bs like the semi-desert conditions might not be the optimal conditions for horses to survive

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