About Lesson
- Additive genetic variability decreases within lines and increases among lines, assuming no selection recall the movement toward homozygosity following the hybridization of unlike and homozygous parents
- Dominant genetic variability complicates pedigree selection homozygous and heterozygous individuals look alike and therefore you may continually select the heterozygote. Thus, selection can be discontinued with phenotypic uniformity within a line is obtained
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