a hybrid produced by crossing parents that are homozygous except for a single gene locus that has two alleles (as in Mendel's experiments with garden peas)
monohybrid详细解释
mon.o.hy.brid n.Genetics （名词）【遗传学】 The hybrid of parents that differ at only one gene locus, for which each parent is homozygous with a different allele.单因子杂种：杂交的双亲只有一个基因位置不同，对它来说，每个亲本是有一个不同的等位基因混合的
