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PolarNik [594]
3 years ago
10

What is a mechanism that causes evolution by natural selection to result in imperfection?

Biology
1 answer:
natita [175]3 years ago
5 0
what a minute
i gonna go to the google and search for you
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Human skin cells typically have 46 chromosomes. A human skin cell in G2 phase has ___________ chromosomes, ____________ chromati
goldenfox [79]

Answer:

46 chromosomes

92 Chromatids

One DNA molecule

Explanation:

The interphase part of the cell cycle is divided into 3 sub-phases namely; G1 phase, S-phase and G2-phase

G2-Phase occurs when the cell grows more to make more proteins and organelles. This also when the cell reorganize its contents in preparation for mitosis.  The number of chromosomes will therefore, remain the same but the DNA molecule will be one in preparation for mitosis where it can then divide into two

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Clouds are formed when water vapor cools and condenses in a liquid state. Eventually, the air in the cloud becomes saturated wit
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C. The water droplets fall to the Earth as rain.

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3 years ago
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What is coal used for
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Answer: Coal is primarily used as fuel to generate electric power in the United States. In coal-fired power plants, bituminous coal, subbituminous coal, or lignite is burned. The heat produced by the combustion of the coal is used to convert water into high-pressure steam, which drives a turbine, which produces electricity.

Explanation:

6 0
3 years ago
All measurements contain some error. Why is this a true statement?
svetlana [45]
You never can know the exact value of a physical or chemical dimension because several reasons: all the instruments have a certain sensibility (sensibility is the smallest variation of the dimension that the instrument can measure) that cannot be overcame.
6 0
3 years ago
Consider the two cells going through meiosis II during gametogenesis. In one of these two cells, if all of the chomosomes experi
Gennadij [26K]

Answer:

<h2>Two normal cells,  n and n;</h2><h2>One cell lacks chromosomes : n-n</h2><h2>One cell contain extra set of chromosomes: n+n=2n</h2>

Explanation:

If all of the chromosomes experience non-dis-junction in meiosis II, means  that sister chromatids failed to separate during meiosis II then

a. half the cells are normal containing n number of chromosomes (n).

b. One cell  lacks  whole set of chromosomes

c. and one cell with two copies of the chromosomes (n+n).

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3 years ago
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