F1 generation

noun

: the first generation produced by a cross and consisting of individuals heterozygous for characters in which the parents differ and are homozygous

called also first filial generation

compare f2 generation, p1 generation

Browse Nearby Words

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Cite this Entry

“F1 generation.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/F1%20generation. Accessed 11 Jun. 2026.

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