Question

3) (1.5 pts) Elizabeth is married to John, and they have four children. Elizabeth has a straight nose (recessive) and is able to roll her tongue (dominant). John is also able to roll his tongue, but he has a convex (Roman) nose (dominant). Of their four children. Ellen is just like her father, and Dan is just like his mother. The other children-Anne, who has a convex nose, and Peter, who has a straight nose are unable to roll their tongues. Please answer the following questions about this family. a. (0.5 pts) What are the genotypes of Elizabeth and John? b. (0.5 pts) Elizabeth's father was a straight-nosed roller, while her mother was a convex-nosed non-roller. What can you figure out about their genotypes? c. (0.5 pts) John's father was a straight-nosed roller, while his mother was a convex-nosed roller. What can you determine about their genotypes? 4) (0.5 pts) In sesame plants, the one-pod condition (P) is dominant to the three-pod condition (p), and normal leaf (L) is dominant to wrinkled leaf (1). Pod type and leaf type are inherited independently. Determine the genotypes for the two parents for all possible matings producing the following offspring: a. 150 one-pod normal, 147 one-pod wrinkled, 51 three-pod normal, 48 three-pod wrinkled

Answer 1

Straight nose z nn Roll tongue = Rr, RR Elizabeth Straight nose and Roll tongue X John convex nose and Roll tongue Nn Rr. @ RB Ronn & NR RRN No RrNn NR RRnn nr Ronn Ronin ronn Ronn sinn Etten conrex nose and Roll tongue. Straight nose and roll tonque a convexnose and I not soll tongue. straight nose and mot soll to nare 3:3:11 Ellen! – conrex nose and roll tongue Dan: – straight nose " " Anne: – convex nose not roll their tongue Peter – straight nose . " .

feather & mothes Elizabeth convex noce non-roller means ar An, NN porr Bonn) 1 (mot Straight nose roner means have inn & RR or Rr I (Rron). Elizabeth's genotype Ronn Straight nose & roller tongue John father & mother Father Strought nose 4 roller means inn & RR of Rr L convex nose & roller Nn, NN & RR, Rr RRNN, RR Nn RONN, RONA Ronnor RRnn John's Genotype Trrun