Examlex
A biologist measures the amount of DNA in cells growing in a laboratory.She should find that the amount of DNA doubles
Recessive Trait
A genetic feature or condition that is expressed in an organism only when two copies of the gene are present, often masked by the presence of a dominant allele when only one copy is present.
Homozygous Genotype
An organism's genetic makeup consisting of two identical alleles for a particular trait.
Heterozygous
Having inherited two genes of different allelic forms for a trait.
Dominant Allele
The allele that is expressed when an individual possesses two different alleles for the same trait.
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