How quickly are the test results of a starch test visible?

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

3test questions with answers on incomplete dominance

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird