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ratelena [41]
3 years ago
5

What is the primary difference between natural selection and artificial selection?

Biology
1 answer:
lawyer [7]3 years ago
5 0
Natural selection<span> and selective breeding can both cause changes in animals and plants. The </span>difference between<span> the two is that </span>natural selection<span> happens naturally, but selective breeding only occurs when humans intervene. For this reason selective breeding is sometimes called </span>artificial selection<span>.</span>
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Let’s assume that dragons show incomplete dominance for fire breathing. The F allele provides lots of fire and the F’ allele giv
laila [671]

The progenies of the dragons with strong fire and dragon with no fire will be dragons with fire at medium rate.

<h3><u>Explanation:</u></h3>

Incomplete dominance is the phenomenon when two different alleles are present in a same organism gives a mixed type of phenotype which isn't similar to any characters of the parents.

In case of the dragons, the genotype of the dragons with strong fire = FF.

The genotype of the dragons with no fire = F'F'.

So the gametes produced by the dragon with strong fire is F and that by the dragons with no fire is F'.

So the dragons produced as a progeny = FF'.

As this gene shows incomplete dominance, so both the characters will be mixed and present as a mixed character. So the offsprings will be moderately fire breathing.

7 0
3 years ago
The g1 and g2 phases of the cell cycle are required for
Aleks [24]

answer: mitosis (M phase)

the cell grows in G1 and G2 stages of the cell cycle

6 0
3 years ago
During the cell cycle, what occurs to the cell at the interphase stage?
sladkih [1.3K]
Inter phase consists of G1, S, when DNA is replicated, and G2. Interphase ends and mitosis begins
6 0
3 years ago
Read 2 more answers
Which features do most stratovolcanoes and cinder cone volcanoes have in common?
Sergeu [11.5K]

Answer:

Option (2)

Explanation:

Strato-volcanoes are the steep, conical shaped, formed by the alternative beds of ash and lava. The magma in this type of volcano contains high silica content and are comprised of bubbles. When the gases are released from these bubbles, then a greater force is exerted from the bottom towards the surface. Due to this, they are very explosive and ejects a huge amount of materials during eruption. For example, Mount St. Helens .

Cinder cones are the simplest volcanoes with steep sides. They are made of the materials and semi solidified lava that are ejected from the vents of the volcano. Eruptions are often explosive due to the force exerted by the gas and the molten lava and are accumulated near the vent. For example, Paricutin.

<u>These two types of volcanoes are similar in terms of its eruption that is violent and explosive in nature. In addition to that, they both have steep sides. </u>

Hence, the correct answer is option (2).

5 0
3 years ago
Read 2 more answers
Element Q is an element that has a metallic shininess, has good heat conductivity, and is very brittle. To which of the followin
vovangra [49]

Answer:

C. metals

Explanation:

Elements in the periodic table are grouped into metal and non-metals depending on their characteristics. Metals usually possess the following characteristics:

- High melting and boiling point

- Brittle i.e. ability to break

- lustre i.e. ability to shine when polished.

- Good conductor of heat and electricity

Based on this above characteristics, element Q in this question is a METAL because it posseses the same qualities that a metal does.

6 0
3 years ago
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