What step of execution in the y86 seq processor writes to a register(s) the value retrieved from memory and/or a value calculated by the alu?

select one:

a. decode

b. pc update

c. execute

d. memory

e. fetch

f. write back

4. does the kernel phenotype distribution support the idea that the cob is the result of a dihybrid cross? what information supports your answer? if a dihybrid cross (i.e. f1 to f2 of standard mendelian crosses) is not indicated what conditions might contribute to this finding.