When two people heterozygous for the trait of a bent pinky finger have a child, the possible genotypes CC, Cc and cc -in a ratio of 1:2:1- being the phenotypes bent pinkies: straight pinkies in a ratio of 3:1.
Explanation:
Bent pinky finger is due to a condition called <u>Camptodactyly</u>, characterized by sustained bending of a finger due to a deformity in an interphalangeal joint. Pinky finger camptodactyly is a trait that is inherited in an autosomal dominant pattern.
With camptodactyly (bent pinky finger) C
Without camptodacilia (straight pinky finger) c
The parental generation is made up of two heterozygous individuals with bent pinky fingers:
♂ Cc
♀ Cc
The offspring of this hybrid cross, according to Mendelian heritage, can be seen in this Punnett Square:
A disturbance that happens repeatedly, as part of a cycle such as the classical economic cycle of boom, bust, revoery, boom, bust, recovery is your answer
