<span>The experimental procedure shows different results from a previous scientific claim
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Answer:
Your skin colour is based on millions of years of evolution depending on where your ancestors lived and their living conditions. Skin colour varies on where you live (or came from). Children will have different tones or shades of skin from their parents due to human skin colour having multiple genes. This is an example of polygenic inheritance.
Explanation:
see the picture below to see how different skin colours depend on where they live:
hope this helps:)
A IS THE ANSWERRRRRRRRRRRR
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Pairs of alleles can be either a 2 capital letters (such as AA), 2 lowercase letters (such as aa), or 1 capital and 1 lowercase letter (such as Aa).
To be dominant, an allele pair must have at least 1 capital letter. Any allele pair with both lowercase letters is recessive.
2 capitals (AA) is homozygous dominant. Homozygous because both letters have the same capitalization and dominant because there is at least 1 capital letter.
1 capital and 1 lowercase (Aa) is heterozygous dominant. Heterozygous because the letters have different capitalization and dominant because there is at least 1 capital letter. Heterozygous is always dominant.
2 lowercase (aa) is homozygous recessive. Homozygous because both letters have the same capitalization and recessive because both letters are lowercase, so there are no capitals.
So the answer is 2, there must be 2 recessive alleles for an organism to have that trait be recessive.
