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JulsSmile [24]
3 years ago
8

If all cells come from other cells, briefly name and describe this process

Biology
1 answer:
alukav5142 [94]3 years ago
4 0
I learned this long ago, I think it's either Mitosis or cell division, this is when one cell divides to make 2 cells and those 2 cell divide to make 4 cells and those 4 cells divide to make 8 cells and so on.
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How does the dust bowl relate to human use and abuse of soil?
vitfil [10]

Answer:

Dust bowl resulted from extreme drying and loosening of the soil that resulted in soil erosion by wind. Thus, it can be related that poor agricultural practices like over plowing , over grazing and leaving the land barren are human activities that must have contributed to the dust bowl.

Explanation:

  • Dust bowl is referred to a period in early twentieth century when the the American and Canadian prairies faced severe dust storms.
  • These dust storms resulted from severe drought and failure of practices to prevent soil erosion.
  • Several people and livestock died as a result of choking.
  • Over plowing, removal of top soil and  small grasses exposed the soil to eroding winds and caused the dust storms.
7 0
3 years ago
What is the probability that the first offspring from the cross listed below will be heterozygous for all loci?
Tanya [424]

Answer and Explanation:

<u>Cross:</u> aa Bb dd Ee x AA bb Dd Ee

We can calculate the probability of getting heterozygous individuals in the progeny by using the <u>product rule</u>. Assuming that these four genes <u>assort independently</u> (<em>events that occur independently from each other</em>), we can infer that the F1 will have the next genotypic proportions for each gene:

1) aa     x     AA

F1) 4/4=1 Aa

2) Bb    x    bb

F1) ½ bb

     ½ Bb

3) dd    x    Dd

F1) ½ dd

     ½ Dd

4) Ee    x    Ee

F1) ¼ EE

    2/4 = ½ Ee

     ¼ ee

So, to know what the probability is that the F1 of being heterozygous for all loci, we must multiply the respective individual probabilities of getting a heterozygous genotype, like this:  

1 Aa   x   ½ Bb   x    ½ Dd    x    ½ Ee = 1/8 AaBbDdEe

                                 

6 0
3 years ago
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Goryan [66]

Answer:   hierarchical

I believe this is the answer

Explanation:

5 0
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The combination of the movement of huge convection currents and the spinning of Earth causes regional wind patterns (true or fal
Tomtit [17]
Convection currents and spinning makes wind. True

3 0
3 years ago
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What is the difference in Cell Division between a Prokaryote and a Eukaryote?
Semmy [17]

Answer: Prokaryotes are single cell organisms Eukaryotes are multi-cell organisms

Explanation:

6 0
3 years ago
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