Experiments are especially appropriate for research projects involving all of the following except: (a) explanatory research.(b) the testing of relatively limited and well-defined concepts and propositions descriptive research.(c) small-group interaction.(d) hypothesis testing.

the answer is true!                                          

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )

answer; continuous;

answer; the smaller of the two reciprocal products of translocated chromosomes is lost; after several cell divisions, only the larger of the two translocated chromosomes remains,its reciprocal is lost;