Polydactyl, having extra fingers or toes, is an autosomal dominant disorder that occurs in cats as well as in humans. A cat breeder collects information about her cats and makes the pedigree below.

If the breeder wants to select a mother cat to produce a litter oof kittens without polydactyl which cat could she choose ?

A: cat 2 or 9
B: cat 3 or 6
C: cat 4 or 5
D: cat 6 or 8

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.