Answer:
B
(The result of DNA replication is two DNA molecules consisting of one new and one old chain of nucleotides. This is why DNA replication is described as semi-conservative, half of the chain is part of the original DNA molecule, half is brand new.)
Answer:
Continuous long-finned offspring from several cross test
Explanation:
She must severally test cross betweethe long-finned fish and the short-finned fish; if the offspring are always long-finned, the long-finned parent could probably be homozygous