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crimeas [40]
3 years ago
7

If you were a scientist studying traits which are selected by humans instead of the environment, you would be studying the follo

wing?
Biology
1 answer:
Dvinal [7]3 years ago
3 0

The correct answer is: Artificial selection (selective breeding).

Artificial Selection is a form of selection, totally influenced by human, in which traits that should be passed onto offspring are chosen by human. Selective breeding was used long before the genetics was discoverd. Farmers used individuals with beneficial traits, larger in size, with bigger fruit etc.

Hunting is also one type of selective breeding, since the hunters choose the animal and remove it from the population (gene pool), leaving the “weaker” to pass on to the next generation.


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When water percolates it passes through which area, first?
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Answer  through the soil

Explanation:

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3 years ago
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A geneticist crossed pure breeding black mice with pure breeding brown mice. All the 992 mice in the F1 generation had black coa
uysha [10]

Answer:

C. An approximately three-to-one ratio of black to brown coated mice in F2 is accounted for by the black allele being dominant over the brown allele

Explanation:

Assuming the black genotype is BB and the brown genotype is bb.

At F1:

                 BB   x   bb = All Bb (black)

At F2:

                  Bb   x   Bb = BB (black), 2Bb (Black), bb (brown)

Th ratio of black to brown is 3:1

961 black : 317 brown is approximately 3:1.

Hence, the correct option is C.

<em>An approximately three-to-one ratio of black to brown coated mice in F2 is accounted for by the black allele being dominant over the brown allele</em>

4 0
3 years ago
Describe a continental rise
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Explanation:

El ascenso continental es una característica de sedimento submarino que se encuentra entre el talud continental y la llanura abisal. Esta característica se puede encontrar en todo el mundo y representa la etapa final en el límite entre los continentes y la parte más profunda del océano.

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9. What is the first event that occurs when a virus infects a host cell?
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B

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