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CREVANER |
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'''Heroes origin & genetics:''' |
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[[Category:Heroes Wiki Contributor]] |
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During the prehistoric era, a space-faring alien race arrived on Earth and performed genetic experiments on humans. To test the versatility of human genes, they implanted dormant DNA sequences in humanity which would endow a person with extraordinary abilities. |
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These dormant DNA sequences are contained in a section of the human genome commonly known as "junk DNA" because being inactive, they do not encode for any proteins. Each sequence requires a specific hormonal signal to activate. The "Heroes" possesses a four gene complex that causes their body to produce a hormone that when in tandem with their own individual stress hormones and immune system messengers, a hormonal activation signal is created. Since the specifics of those biochemical characteristics are dependent upon a person's individual genetic structure, the specific hormonal activation signal produced is different in every Hero and therefore the dormant DNA sequence activated is different in every Hero. As a result, every Hero develops a relatively unique metahuman ability. |
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The four gene complex responsible for Hero abilities specifically involve two genes, each of which has two forms, or alleles. To be a Hero, a person must have at least one of each of the dominant alleles. A non-Hero may either have two recessive "a" alleles, or two recessive "b" alleles. |
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* A - Hero gene 1 (dominant) |
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* a - non-Hero (recessive) |
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* B - Hero gene 2 (dominant) |
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* b - non-Hero (recessive) |
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These combinations will make a Hero: |
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* AABB |
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* AaBB |
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* AABb |
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* AaBb |
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These combinations will make a non-Hero: |
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* AAbb |
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* Aabb |
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* aaBB |
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* aaBb |
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* aabb |
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Two Hero parents can even have non-Hero children. These non-Heroes are produced by two Hero parents who have at least one recessive allele of the same gene: |
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AaBB x AaBB could produce |
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* AABB (1/4 chance) = Hero |
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* AaBB (1/2 chance) = Hero |
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* aaBB ( 1/4 chance) = non-Hero |
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AABb x AABb could produce |
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* AABB (1/4) = Hero |
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* AABb (1/2) = Hero |
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* AAbb (1/4) = non-Hero |
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However, the cross AABb x AaBB would produce all Hero offspring, since only one recessive allele of each gene could be inherited by any offspring: |
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* AABB (1/4) = Hero |
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* AABb (1/4) = Hero |
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* AaBB (1/4) = Hero |
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* AaBb (1/4) = Hero |
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The cross likely to produce the most non-Heroes from two Hero parents is, obviously, AaBb x AaBb, in which the offspring have a seven in sixteen chance of being a non-Hero. |
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Heroes born from two non-Heroes are produced if one parent has two "a" alleles and at least one "B" allele, while the other parent has two "b" alleles and at least one "A" allele. Because of this, they could produce Hero offspring: |
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AAbb x aaBB, for example, would produce all Hero offspring of the type AaBb. |
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Aabb x aaBb would produce Hero offspring in the proportion of one in four: |
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* AaBb = Hero |
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* Aabb = non-Hero |
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* aaBb = non-Hero |
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* aabb = non-Hero |
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Aabb x aaBB or AAbb x aabB would have a one in two chance of having Hero offspring. |
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Latest revision as of 07:23, 23 September 2015
CREVANER