Examlex
After 3 replication cycles in PCR, there will be a total of 4 double-stranded DNA molecules.
Dizygotic Twins
Also known as fraternal twins, these are two siblings born from separate eggs and fertilized by different sperm cells, sharing about 50% of their DNA.
Twin-Study Design
A research method that compares the behaviours and traits of monozygotic (identical) and dizygotic (fraternal) twins to understand the influence of genetics versus environment.
Monozygotic Twins
Twins derived from a single fertilization event, resulting in siblings with identical genetic material.
Dizygotic Twins
Twins resulting from the fertilization of two different eggs by two different sperm, sharing 50% of their genes, similar to ordinary siblings.
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