Which of the following can be observed in a karyotype?
a. a change in a dna base
c. genes
b. an extra chromosome
d. alleleswhich of the following can be observed in a karyotype?
b. an extra chromosome

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. how can the student demonstate the theory of endosymbiosis using the models

What does all of the organ system in a human form

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