Evaluate Should a cow and a bull that both carry recessive alleles for a mutation that causes decreased milk production be bred? Why or why not?

A cow and a bull can reproduce and have a viable offspring even if they have recessive alleles for this mutation. This is because it is a type of mutation that is not fatal, if both parents suffer from recessive alleles the probability that their child is born carrying the mutation is very high, which will imply decreased milk production.