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romanna [79]
2 years ago
12

Describe the four types of chromosomal mutations.

Biology
1 answer:
butalik [34]2 years ago
3 0

Answer:

1. Deletion is where a section of a chromosome is removed.

2. Translocation is where a section of a chromosome is added to another chromosome that is not its homologous partner.

3. Inversion is where a section of a chromosome is reversed.

4. Duplication occurs when a section of a chromosome is added from its homologous partner.

Explanation:

:))) there ya go <333

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The ion primarily responsible for depolarization in pacemaker cells is ______________, whereas the ion primarily responsible for
snow_lady [41]
1. Calcium
2. Sodium

Hope this helps! :)
5 0
3 years ago
Which is a difference between the Paleozoic and Mesozoic era?
Snowcat [4.5K]

Explanation:

Animals lived in the water during the Mesozoic and on land in the Paleozoic. Animal complexity increased during the Paleozoic while the first flowering plants appeared in the Mesozoic era. ...

The Paleozoic era, not the Mesozoic era, had the first dinosaurs. The first mammals emerged in the Paleozoic era, not the Mesozoic era. The Mesozoic era, not the Paleozoic era, had the first animals with shells.

6 0
3 years ago
Which important phenomena occur in plant leaves and help water transportation in xylem tissues?
algol13
The answer is C. The phenomena occur in plant leaves and help water transportation in xylem tissues is photosynthesis and transpiration.  A balance between these two phenomena is important to maintain balance in the plant's life.
8 0
3 years ago
Does the oxygen that exits photosynthesis enter as CO2? Explain.
liubo4ka [24]

Answer:

Yes

Explanation:

Plants extract CO2 from the air and also use sunlight and water as the reactants of the process photosynthesis. Photosynthesis then produces Glucose and Oxygen. Oxygen is rid of the plant.

8 0
3 years ago
What does the graph show the importance of clean air?
natulia [17]

Answer:

C. Most people will die from negative health effects associated with stroke as indoor dirty air builds up.

Explanation:

<u>C is correct option</u> because it shows the highest proportion of people's death caused by stroke. On the other options are not correct due to the following reasons:

A is incorrect because it says that people have a lower risk of dying from COPD. On the other hand, the graph shows that this is 3rd most abundant cause of deaths.

B is incorrect because deaths due to lung cancer are the lowest according to the graphical illustration.

D is incorrect because the proportion of developing acute lower respiratory infection and ischemic heart disease are not the same. Deaths due to ischemic heart disease are higher than the acute lower respiratory infection.

4 0
3 years ago
Read 2 more answers
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