An allele that completely masks the effect of another allele is considered

A) codominant.
B) dominant.
C) ineffective.
D) recessive.


B

Biology & Microbiology

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Describe three characteristics of an ideal cloning host for genetic engineering

What will be an ideal response?

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Cross-mating may occur between two different species but the resulting offspring survive poorly and are sterile. Why is this particularly important to endangered species that cross-mate?

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In humans, the genetic basis for determining the sex "male" is accomplished by the presence of ________

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Biology & Microbiology