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Kisachek [45]
1 year ago
11

You are invited to participate in a debate about the concept of evolution. Construct an opening statement supporting evolution,

using antibiotic resistance in microorganisms as an example.
Biology
1 answer:
Masja [62]1 year ago
3 0

When talking about evolution, a good example is bacterial resistance to antibiotics.

We start with a bacteria colony, and in contact with antibiotics, most of them die.

Some of them in the colony do not die and took that antibiotic to create a mutation of its DNA to be resistance to that.

They evolved  survive that antibiotic.

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In a population of tomato plants mean fruit weight is 60 g and narrow-sense heritability (or realized heritability - h2) is 0.3.
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Answer:

The mean weight of the progeny is 66 grams

Explanation:

Given -

Mean fruit weight of tomato plant (M1) = 60 g

Narrow sense heritability (h2) = 0.3 g

Mean weight of tomato plant selected for artificial selection (M0) = 80 g

h_2 = \frac{M_2 - M_1}{M_0 - M_1}

Substituting the given values in above equation, we get -

0.3 = \frac{M_2 - 60}{80 -60} \\0.3 = \frac{M_2 -60}{20} \\6 = M_2 -60\\M_2 = 6 + 60\\M_2 = 66

The mean weight of the progeny is 66 grams

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