Sinh học - Chapter 15: The chromosomal basis of inheritance

Morgan observed this linkage and its deviations when he followed the inheritance of characters for body color and wing size. The wild-type body color is gray (b+) and the mutant black (b). The wild-type wing size is normal (vg+) and the mutant has vestigial wings (vg). Morgan crossed F1 heterozygous females (b+bvg+vg) with homozygous recessive males (bbvgvg).