If huntington's disease is due to a dominant trait, shouldn't three-fourths of the population have huntington's while one-fourth has the normal phenotype? in large populations, mendelian ratios are ineffective. appearance of a trait in a population does not solely depend on its dominant or recessive nature. natural selection is eliminating huntington’s disease.

Appearance of a trait in a population does not solely depend on its dominant or recessive nature.

Explanation:

The appearance of a trait in a population is not only dependent on its dominant or recessive nature.

Huntington's disease is caused by a mutation in the gene that encodes a protein called huntingtin (Htt). This mutation produces an altered form of the Htt protein, which causes the death of nerve cells (neurons) in certain brain regions. Even if caused by a dominant gene, Huntington's disease will only be expressed in 50% of people who inherit this gene from their parents. This will depend on the organism's gene expression and other factors besides the dominant character of this gene.

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

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a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.