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snow_lady [41]
2 years ago
14

A dominant allele is found in a population with a frequency of 0.8. As the environment begins to change, the dominant allele is

not favored. Scientists find that the frequency of the dominant allele decreases by half each generation. What are the allele, genotype, and phenotype frequencies before and one generation after the population begins to change? Is Hardy-Weinberg equilibrium maintained?
Biology
1 answer:
Xelga [282]2 years ago
6 0

I am confused

Explanation:

With my work

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Scientists have proposed more than two dozen ways to define species. One commonly used definition, called the biological species
Naddika [18.5K]

the answer is f i think idk

7 0
4 years ago
Match the characteristics to the correct phylum.
insens350 [35]

Answer:

The characteristics to the correct phylum matching is given below:

Explanation:

  • Organisms lack symmetry- Porifera. Poriferans such as sponges are without any symmetry, thus they are asymmetrical.
  • Organisms have specialized stinging cells -Cnidaria. Cnidaria such as <em>Hydra</em> possesses stinging cells or cnidocytes located around the mouth and tentacles of the <em>Hydra</em> and can kill prey with toxins.
  • Adult forms are sessile – Porifera.  Adult sponges are sessile and spend their lives attached to a substrate.
  • Two types of body plan exist as polyp and medusa – Cnidaria. Cnidarians show two distinct body plans as polyp or stalk and medusa or bell.  Polyps are non-motile and Medusa are motile.
  • Organisms obtain food by filtering water– Porifera. The water moves through the body of the poriferans to filter out food, absorb dissolved oxygen.
  • Phenomenon of alternation of generation is observed - Cnidaria. Alternation of generation is a type of life cycle which switches between two forms. In cnidarian, the asexual polyp alters with the sexual medusa.

8 0
3 years ago
Ketoacidosis and acidosis are consequences of the incomplete oxidation of _________
denpristay [2]

The consequence of incomplete oxidation is Fats. Incomplete oxidation of fatty acids causes a build-up of beta-hydroxybutyric and acetoactic acids (ketoacids), Can be detected in serum and urine. Corrects hyperglycemia by restoring insulin-sensitive glucose uptake Inhibits hepatic glucose output, Inhibits lipolysis, which eliminates substrates for ketogenesis (corrects ketoacidosis).

7 0
4 years ago
Steps for the phosphorus cycle
aksik [14]
Explanation:

Phosphorus moves in a cycle through rocks, water, soil and sediments and organisms.

Key steps of the phosphorus cycle:

# Over time, rain and weathering cause rocks to release phosphate ions and other minerals. This inorganic phosphate is then distributed in soils and water.

# Plants take up inorganic phosphate from the soil. The plants may then be consumed by animals. Once in the plant or animal, the phosphate is incorporated into organic molecules such as DNA. When the plant or animal dies, it decays, and the organic phosphate is returned to the soil.

# Within the soil, organic forms of phosphate can be made available to plants by bacteria that break down organic matter to inorganic forms of phosphorus. This process is known as mineralisation.

<span># Phosphorus in soil can end up in waterways and eventually oceans. Once there, it can be incorporated into sediments over time.</span>

8 0
3 years ago
Cystic fibrosis is a genetic disorder. It is a recessive trait that is determined by two alleles. Suppose two parents each carry
poizon [28]

Answer:

Option C

Explanation:

The child may or may not have the disease because a recessive gene from each parent may be passed on.

7 0
3 years ago
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