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Crazy boy [7]
3 years ago
5

Why is it a good idea for humans to create models of how populations are changing?

Biology
1 answer:
Contact [7]3 years ago
5 0
So we can look back and see how much we have accomplished in the year with the models
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The expected ratio of phenotypes among the progeny of a test cross is 1:1:1:1. Out of 200 total resulting progeny, 48 occur in o
Rzqust [24]

Answer: The progeny of this cross do not conform to a 1:1:1:1 ratio

Explanation: This is because out of the 200 total resulting progeny, we must have 50 in each phenotype class to conform with the 1:1:1:1 which is not so as we have 48 in one of the phenotypic class already. Therefore, it did not conform to the ratio.

3 0
3 years ago
What led to scientists accepting Mendel's ideas?
Eduardwww [97]

Answer:

A. Scientists discovered chromosomes and DNA.

Explanation:

Mendel's ideas were based on patterns of inheritance in plants. Although he identified these patterns, at the time, we did not know what the hereditary material was. This means Mendel couldn't uncover the mechanism of why he was seeing the patterns he was.

When scientists discovered chromosomes and DNA, they were able to see how Mendel's observations made sense in the context of DNA and chromosomes.

8 0
3 years ago
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In stanley millers experiment to test the primordial soup idea,was he able to create life?
crimeas [40]
No, amino acids are not alive.
5 0
3 years ago
How many protons are in the nucleus of a carbon atom
ZanzabumX [31]

Answer:

i'm pretty sure its 6 protons.

Explanation:

Carbon-14 is an isotope of the element carbon. All carbon atoms have 6 protons in their nucleus. Most carbon atoms also have 6 neutrons, giving them an atomic mass of 12.// = 6 protons + 6 neutrons\\. Carbon-14 atoms have two extra neutrons, which is a total of 8 neutrons.

6 0
3 years ago
20 POINTS!! HELP ME PLZZ I NEED HELP WITH THIS!!
velikii [3]

Answer:

The correct options are A and B

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The two sentences that describe how meiosis differs from mitosis are - "Meiosis produces cells with half the chromosomes of the parent cell" and "Meiosis produces either male or female gametes."

8 0
3 years ago
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