WAEC - Biology (2017 - No. 45)
Assuming that A is the gene for normal skin color and is dominant, while a is the gene for albinism and its recessive, what is the likely genotype of the couple which had 50% normal and 50% albino offspring?
AA, aa
Aa, aa
AA, Aa
Aa, Aa
Giải thích
Crossing Aa & aa would give 50% normal and 50% albino offspring