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taurus [48]
3 years ago
14

The frequency of alleles in a population that is in Hardy-Weinberg equilibrium

Biology
2 answers:
3241004551 [841]3 years ago
6 0

Answer is Dddddddddddd

sashaice [31]3 years ago
6 0

Answer:

remains the same over several generations.

Explanation:

According to Hardy-Weinberg equilibrium, the allele frequencies in a large and randomly mating population remain the same over several generations if no evolutionary forces are operative.

Here, evolutionary forces are mutations, natural selection, gene flow, migration, etc. To keep the allele frequencies constant, the individuals of the population should exhibit random mating and there should not be any sexual selection for a mate.

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Sand, silt, and clay are formed by mixing humus with ________.
blagie [28]
The correct answer would be weathered topsoil
7 0
2 years ago
The living organism found within an ecosystem
Murljashka [212]

Answer:

The living organisms in an ecosystem can be divided into three categories: producers, consumers and decomposers. They are all important parts of an ecosystem. Producers are the green plants The third type of living organism in an ecosystem is the decomposers.

Explanation:

no

8 0
2 years ago
A. Compare and contrast the development of the dorsal and
lianna [129]

Answer:

The principal difference in development of Dorsoventral axis in deuterostomes and protostomes is something called inversion

Explanation:

In protostomates the neural tube is below the gut and the dorsal vessel is above the gut while in deuterostomates is the oppossite, there is an inversion and now, the neural tube is above the gut and the heart tube is below. In both cases the development is related to the gradient of expression of some genes, where the expresion of one gene supress the formation of one structure in one side of the axis.

In protostomates the TGT-B factor is expressed dorsally and supress neural tube formation and ventrally a sog gene is expressed and supress TGT-F factor allowing neural tube to develop. In deuterostomates, an homolog of TGT-B family gene BMP-4 is expressed ventrally while dorsally BMP inhibitors (sog gene like) are expressed.

Accordingly to some researchers, the first state of the common ancestor of deuterostomates and protostomates had an protostomate-like orientation in dorsoventral axis

7 0
3 years ago
A man with the autosomal recessive disorder phenylketonuria (PKU) and a woman without PKu heve a son named Peter, who does not h
Anton [14]

Answer:

<h2>2. Peter's maternal grandfather has PKU.</h2>

Explanation:

  • Such type of the genetic disorder in which two copies of a gene must be mutated at a time is called autosomal recessive disorder such as sickle cell anemia, phenylketonuria, and some other diseases.
  • When a sing copy of a gene is mutated in a person then this disorder is not appeared and the person is called a carrier.
  •  So when a child is born by two carrier parents then there is a chance that a child will be affected if both the parents donate mutated genes.
  • In the case of Peter, since peter does not show this defect this means his maternal grandfather was affected by this disorder.

5 0
3 years ago
in which process does the water form clouds. A-transpiration B-condensation C-evaporation D-percolation
Andrew [12]
B--Condensation. <span>Condensation </span>is<span> responsible for the formation of </span><span>clouds,</span>
7 0
3 years ago
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