Corn has a color gene and height gene with the following phenotypes: CC and Cc, purple;...
Corn has a color gene and height gene with the following phenotypes: CC and Cc, purple; cc, white; TT, tall; Tt medium; tt, dwarf. If a dihybrid is self-fertilized, what is the resulting phenotypic ratio for purple/tall, purple/medium purple/dwarf, white/tall, white/medium, white/dwarf?
Answer: 3:6:3:1:2:1
Needing help with the steps!
Homework Answers
Answer:
TtCc x TtCc---Dihybric self-cross
|
TC |
Tc |
tC |
tc |
|
|
TC |
TTCC (tall, purple) |
TTCc (tall, purple) |
TtCC (Medium, purple) |
TtCc (Medium, purple) |
|
Tc |
TTCc (tall, purple) |
TTcc (Tall, White) |
TtCc (Medium, purple) |
Ttcc (Medium, white) |
|
tC |
TtCC (Medium, purple) |
TtCc (Medium, purple) |
ttCC (dwarf, purple) |
ttCc (dwarf, purple) |
|
tc |
TtCc (Medium, purple) |
Ttcc (Medium, white) |
ttCc (dwarf, purple) |
ttcc (dwarf, white) |
Purple/tall---C_TT = 3
Purple/medium—C_Tt = 6
Purple/dwarf---C_tt = 3
White/tall----ccTT = 1
White/medium---ccTt = 2
White/dwarf -----cctt = 1
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