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2 years ago

1) What determines which

Biology

1 answer:

Nitella [24]2 years ago

8 0

Answer:

1. While you do inherit certain genes from your mother and father, you will get separate versions of those genes meaning there will be advantages and disadvantages.

2. Charles Darwin, Natural selection explains how the genetic traits of a species may change over time. This may lead to speciation and the formation of a distinct new species.

Explanation:

1. Something that is an advantage towards the person achieving the genes is whether or not that trait is beneficial. For example, your body size can be determined by your mother or father which can lead to negative health or positive health. That can be a disadvantage (shape, being born with asthma, inheriting a mental illness). All can be achieved because of a parent.

2. Charles Darwin and his theory illustrate genes because as a parent hands over a gene during pregnancy it can be altered because it is a different version of that gene and that can lead to different species whether it is visible or not.

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Earth has a great variety of surface features that are caused by weathering and erosion. Which of the following describes a chan

Sidana [21]

Answer:

Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering.

Once a rock has been broken down, a process called erosion transports the bits of rock and mineral away. No rock on Earth is hard enough to resist the forces of weathering and erosion. Together, these processes carved landmarks such as the Grand Canyon, in the U.S. state of Arizona. This massive canyon is 446 kilometers (277 miles) long, as much as 29 kilometers (18 miles) wide, and 1,600 meters (1 mile) deep.

Weathering and erosion constantly change the rocky landscape of Earth.

Explanation:

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4 0

3 years ago

Name one example of an enzyme in the human body and it's function.

Art [367]

Answer:

A couple of examples

amylase: break down starch into sugar.

protease: break down proteins into amino acids.

lipase: break down lipids (fats and oils) into fatty acids and glycerol.

3 0

3 years ago

Where are chromosomes found in the body cells

Monica [59]

Chromosomes are found in the nucleus of body cells. These chromosomes are made of protein and deoxyribose, which is a five-carbon sugar. Some of these chromosomes can be found in the mitochondria of a cell also. Hope this helps!

3 0

3 years ago

Read 2 more answers

How can a human cell in prophase of mitosis be distinguished from human cell in prophase l of meiosis?A. By the presence of kine

Len [333]

Answer:

E. By presence of paired homologous chromosomes in the meiotic cell.

Explanation:

Differences between Mitotic Prophase and Prophase 1 of Meiosis:

The prophase of mitosis is relatively shorter than prophase 1 of meiosis.
Prophase of mitosis is characterized by the disintegration of the nuclear membrane and the movement of the duplicated centrioles towards the two poles of the cell.
Prophase 1 of meiosis is relatively longer and involves a number of consecutive events that do not occur in the mitotic prophase.
Prophase 1 of meiosis involves the disintegration of the nuclear membrane as well. But the most important event of this phase is the pairing of homologous chromosomes through a connection called a synapse. This is called chiasmata formation. Homologous chromosomes pair up in form of tetrads and exchange segments with each other. This process is called crossing over and it is crucial in the production of genetically varied daughter cells.

7 0

3 years ago

How does rain water get polluted ?

xxTIMURxx [149]

Rain water gets polluted because of the water cycle bringing water into the atmosphere

5 0

3 years ago