Figuer:
-In the wild-type purple monkeyflower (i.e.,M.lewisii),the dominant YUP allele prevents carotenoids from forming,leaving the pinkish-purple anthocyanin pigments to provide the petal color.A wild-type scarlet monkeyflower (i.e.,M.cardinalis)has which genotype?

Question

Figuer: 
-In the wild-type purple monkeyflower (i.e.,M.lewisii),the dominant YUP allele prevents carotenoids from forming,leaving the pinkish-purple anthocyanin pigments to provide the petal color.A wild-type scarlet monkeyflower (i.e.,M.cardinalis)has which genotype?

Quizplus · Accepted Answer

The scarlet monkeyflower (M. cardinalis) has carotenoids, which means it lacks the dominant YUP allele that prevents carotenoid formation. Therefore, it must be homozygous recessive (yup/yup).

Figuer: -In the Wild-Type Purple Monkeyflower (I.e.,M.lewisii),the Dominant YUP Allele Prevents