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MissTica
3 years ago
13

Natural selection is completely random?

Biology
1 answer:
ale4655 [162]3 years ago
3 0
Yes but no? The genetic variation on which natural selection acts may occur randomly, but natural selection itself is not random at all. ... The survival and reproductive success of an individual is directly related to the ways its inherited traits function in the context of its local environment.
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If the pride is taken over by new individuals, what happens to the females? males? cubs?.
Nookie1986 [14]

The cubs are a significant barrier to reproduction when a new male coalition first takes control of a pride. Mothers of surviving cubs won't mate again until their young are at least 18 months old, but if their cubs are lost, they will mate right away.

  • Following that, males leave on their own or are driven out by other men who take control of their pride. It is common for a new male to kill all the cubs when he joins the pride in order to pass his genes on to all future cubs. The major function of males in the pride is defending the pride's territory.
  • Female lionesses will devour the cubs of other pride, but not the cubs of their own pride. The "egalitarianism" of female lions stands in stark contrast to the autocratic behavior of wolves, wild dogs, and several other species, where dominant females prevent subordinates from reproducing.
  • When a female lion gives birth, she leaves the pride and doesn't come back until the cubs are several weeks old. After that, the adult females band together to take care of and protect the young.

Learn more about pride here:

brainly.com/question/17454996

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6 0
2 years ago
In a hypothetical population of plants, flower color is determined by a single gene with two alleles. In a population of 500 pla
blondinia [14]

Answer:

In the F1 generation

RR = 0%

Rr = 50% (or 0.5)

rr = 50% (or 0.5)

Explanation:

A pink flowering plant has the genotype Rr. It is heterozygous for the allele. The alleles for this gene appears to show incomplete dominance, as the heterozygous phenotype is a blend of the two homozygous genotypes.

A white flowering plant has the genotype rr. It is homozyogous for the white allele

A punnet square of the cross is shown.

The resulting punnet square shows that only Rr and rr genotypes are possible, at a ratio of 50:50 (or 1:1). Therefore, the genotype frequency of Rr is 50%, and rr is 50% in the F1 generation. This can also be written as 0.5. It is not possible to get a red plant, as the genotype RR can not come from this cross

Download pdf
8 0
3 years ago
Whi is the relationship between an enzyme and it substrates compared to a lock key?
-Dominant- [34]

They say how an enzyme perfectly fits into its substrate is alike a "lock and key".

Only one specific enzyme can fit a specific substrate.

4 0
4 years ago
And example of need is
BigorU [14]
Goods or services that are required.
7 0
3 years ago
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Drag Each Tile To The Correct Location On The Table. Classify the mutations as somatic or inherited
SOVA2 [1]

Answer:

you need a pic, no one knows what you're talking about

7 0
3 years ago
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