Examlex
After passage of the Harrison Act, opiates once viewed as good became viewed as evil.
Codominance
A genetic scenario where two alleles of a gene are expressed equally in the phenotype of heterozygotes.
Epistasis
A genetic interaction where the effect of one gene is modified by one or several other genes, which can mask or alter its phenotype.
XIST
A gene involved in X chromosome inactivation, playing a crucial role in dosage compensation between males and females.
Long Noncoding RNA
A type of RNA longer than 200 nucleotides that does not code for protein but plays various roles in regulating gene expression at the transcriptional and post-transcriptional levels.
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