During this handshake, the client and server agree on various parameters used to establish the connection's security: 1  The handshake begins when a client connects to a TLS-enabled server requesting a secure connection and the client presents a list of supported cipher suites (ciphers and hash functions).
Allele frequency. Allele frequency is a term of population genetics that is used in characterizing the genetic diversity of a species population, or equivalently the richness of its gene pool.
ALLELE - one of the two or more alternative states of a gene that occupy the same position (locus) on homologous chromosomes; alleles are separated from each other at meiosis. ALLERGY - hypersensitivity, often to external agents, in which mast cells of the immune system initiate inflammation.