what chapter is it? and do you have a vocab sheet that goes with this?
Dont knowwww :(
umm i onnly eat pizza...
Homologous types of chromosomes pair together to form a bivalent. They undergo synapsis which is the process of pairing. In each bivalent. there would be a total of two centromeres and four sister chromatids. crossing over is the term used for the physical exchange of material between two homologous chromosomes. A<span> chiasma</span><span> is the visible evidence that exchange of genetic material occured.</span>
Answer:
A. The blood goes back to the heart to get oxygen.