You are studying the inheritance of two characteristics in plants: red flowers
rr and rr), which are dominant to yellow flowers (m), and green leaves (cg and g9),
which are dominant to yellow leaves (99). you cross a double heterozygous (rrgg)
with a double recessive (rrgg), and expect to see a 1: 1: 1: 1 ratio in the offspring.
instead, you see these results:
genotype
rrggrrgg
rrggrrgg
predicted
500
500
500
500
outcome
actual
900
900
100
100
outcome
which phenomenon would you hypothesize accounts for the pattern you see?
crossing-over
independent assortment
cytokinesis
respiration