Crosswords Solver

Answer: semilethal
Answer	Crossword Clue
semilethal	Relating to or denoting an allele or chromosomal abnormality that impairs the viability of most of the individuals homozygous for it
semilethal	a mutation that tends to be lethal but is not always

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.

Answer: semilethal