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If present in sufficient quantity it would suffocate a person, as they would be unable to inhale enough oxygen.

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17y ago

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Is natural gas very harmful or lethal?

It is harmful to inhale. and can be lethal if it ignites or explodes.


How do lethal alleles continue to be found in a popluation what would the parents allele be for a child with a lethal genetic disorder?

Lethal alleles can persist in a population through mechanisms such as incomplete dominance, where carriers (heterozygous individuals) do not express the lethal phenotype but can pass the allele to their offspring. In the case of a child with a lethal genetic disorder, both parents would typically carry at least one copy of the lethal allele (either homozygous recessive, which is lethal, or heterozygous), allowing for the possibility of producing a child with the disorder if they inherit two copies of the allele.


How many lethal genes would the typical human have if the alleles were homozygous?

A typical human would have around 1-2 lethal genes if homozygous for lethal alleles. Lethal genes are usually rare in the human population due to the negative impact on survival and reproduction.


Do autosomes have lethal recessive genes?

Yes, autosomes can carry lethal recessive genes. These genes can result in lethal genetic disorders when a person inherits two copies of the mutated gene, one from each parent, causing the disorder to manifest.


How do dominant lethal alleles persist in populations even though their fitness is essentially zero?

Huntington's disease, where the lethal allele expresses itself very late in an individuals life. Persons carrying the dominant lethal allele does not become aware of the disease until after their reproductive age. Thus, they pass the lethal allele to their children without knowing and the allele persists.