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weqwewe [10]
3 years ago
12

How is genetic expression regulated?

Biology
1 answer:
jarptica [38.1K]3 years ago
7 0
It regulates on/off like a light switch
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The modern synthesis brought together Darwin's theory of evolution with Mendelian genetics. Why was this so important?
MakcuM [25]

Answer:

Option C

Explanation:

Options for the question are

a.  It demonstrated that nothing in biology makes sense except in the light of evolution.

b.  It demonstrated that species arise from other species.

c.  It provided a quantifiable mechanism to explain gradual evolutionary change.

d.  It was the first time that change in biological organisms was observed.

e.  It was not very important to evolutionary biology.

Solution -

The term modern synthesis by coined by Julian Huxley and the goal of this synthesis was to understand and determine how genetics bring evolutionary changes in a population and with this objective it combined the Darwin’s theory of evolution and Mendel’s work on heredity. Later on scientist Dobzhansky under this synthesis found that genetic mutation causes variation through the process of natural selection and hence lead to evolutionary changes in a population even if they are isolated for a long time.  

Hence, option C is correct

3 0
3 years ago
5. The theory of common descent states that all modern organisms
makkiz [27]

Answer:

B

Explanation:

All living beings are in fact descendants of a unique ancestor commonly referred to as the last universal common ancestor (LUCA) of all life on Earth, according to modern evolutionary biology. Common descent is an effect of speciation, in which multiple species derive from a single ancestral population.

3 0
2 years ago
Which activities are ways to reduce the negative impacts humans have on Earths resources? Select two options
Maslowich

Answer:

  1. Using water from faucets or anywhere else only when needed. Don't waste water.
  2. Only use electricity/lights when it's needed. Your bill might go really high.
  3. Don't trash the Earth! It has a heart too.
  4. Try using a bike, less pollution.
  5. Put the trash in the right place! Or the poor animals might or suffocate in them.
7 0
3 years ago
Read 2 more answers
You are riding a roller coaster at Valleyfair. At what point in the ride is the system in a state of equilibrium?
olga nikolaevna [1]

Answer:

Stopped on the tracks at the entrance

Explanation:

I took the quiz

7 0
3 years ago
Can someone please explain what gives air its weight?
maks197457 [2]
Simple. Air has mass. And if air has mass it also has weight. You can feel air when the wind blows. Or do an experiment. Weigh an empty container. Then pump it to a vacuum. Weigh it again. The difference is the weight of the air inside. 
4 0
3 years ago
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