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Original poster

GCSE Biology help please!

7 replies

Brownbootscoldheart · 10/02/2019 21:06

Please can someone help DD with the following question on evolution and variation please? She knows the answer to the prawn DNA comparison but the question about which prawns will reproduce and why?
Thanks

GCSE Biology help please!
GCSE Biology help please!
OP posts:
incorrectpassword · 10/02/2019 21:10

Is this the question that caused all the hilarity in the gcse paper a few years back? Don't know the answer but it set twitter on fire...

eatingtomuch · 10/02/2019 21:14

What year and exam board is the paper. Google it and the answers will be online

lottiegarbanzo · 10/02/2019 21:15

I'd say it is most similar to the one with the greatest number of lines in the same places, and most likely to interbreed successfully with that one.

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worriedaf · 10/02/2019 21:21

She needs to check which one of the other species has the most lines in common with it.

WilsonandNoodles · 10/02/2019 21:21

Its the middle one. It has the most simular DNA trace and therefore most likely to have genes compatible for breeding.

Original poster
Brownbootscoldheart · 10/02/2019 21:24

Amazing, thanks all, I did think that may have been the answer but googling said something about species with the same genus not being able to successfully reproduce so that confused things. It’s been far too long since I did biology!

OP posts:
Whitegrenache · 10/02/2019 21:32

Agree middle one as it has the most similar genetic codes

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