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drek231 [11]
3 years ago
14

How does cellular information pass from one generation to the next? Include meiosis in your answer.

Biology
1 answer:
JulsSmile [24]3 years ago
6 0

Meiosis in reproductive organs (testes and ovary) produce gametes. Each human cell including reproductive cells contains 23 pair of chromosomes. Meiosis separates the two chromosomes from each pair thus, each gamete receives only one copy of each chromosome. Therefore, each gamete has 23 new chromosomes, one from each of the 23 pairs. During meiosis, exchange of chromosome segment between copies of a pair of chromosomes. The exchange of chromosome segments creates new combinations of genes which enhances genetic variability within a species.

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Lostsunrise [7]

Answer:

Local effects of volcanic eruptions

Explanation:

Lava flows, volcanic landslides, mudflows, and ash flows (nuees ardentes) generally result in total obliteration of any ecosystem in their path. ... Volcanic ash weathers rapidly and releases plant nutrients.

8 0
2 years ago
Which measurement do geologists use to find the absolute age of once-living things?
juin [17]

Answer:

Radiocarbon dating

Explanation:

Radiocarbon dating measures radioactive isotopes in once-living organic material instead of rock, using the decay of carbon-14 to nitrogen-14. Because of the fairly fast decay rate of carbon-14, it can only be used on material up to about 60,000 years old.

8 0
3 years ago
What are some non examples of microclimate?
-Dominant- [34]

Answer:

Microclimates exist, for example, near bodies of water which may cool the local atmosphere, or in heavy urban areas where brick, concrete, and asphalt absorb the sun's energy, heat up, and re-radiate that heat to the ambient air: the resulting urban heat island is a kind of microclimate.

Explanation:

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6 0
3 years ago
The concentration of salt is higher inside a cell than outside the cell. The concentration of water inside the cell is lower tha
asambeis [7]

Answer:

C. Water will move into the cell through osmosis. The salt and water concentrations will become similar inside and outside the cell.

Explanation:

Osmosis is the movement of water from its higher concentration to the lower concentration through a semi permeable membrane. Here, the cell have higher salt concentration and lower water concentration as compared to its outside. Since cell membrane is semi permeable, salt cannot pass through it. So, water will move into the cell through osmosis to equalize the salt and water concentration on either side of cell membrane.

7 0
3 years ago
understanding density can help you predict if a. an object will roll. b. an object will deflate. c. an object will sink or float
joja [24]
Understanding density helps you predict whether an object will sink or float.  
 C
3 0
2 years ago
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