It's A. Temperature changes modify the enzyme shape, so they no longer fits.
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Humans use selective breeding to pass desired TRAITS on to the next generation of organisms.
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Nodes. Leaves are attached the plant stem at areas called nodes .
Active deffusion.. this way the water is retained and the unnecessary salts ions are expelled out.
Answer:
Explanation:
From the question, the total population = 171 i.e (80+71+21)
Genetic frequency therefore; BB = 71/171 = 0.42
Bb = 80/171 = 0.47
bb = 20/171 = 0.12
Allele frequency therefore;
Allele B = 0.42+(0.50×0.47) = 0.66
Allele b = (0.50×0.47)+0.12 = 0.36
Note all values were rounded up to two significant figures
