Answer:
I wondered that too! maybe we are doing high school level questions?
Explanation:
All are part of domain Archaea. Archaeabacteria are prokaryotic or no nucleus present and are <span>unicellular organisms. They are often characterized as having the ability to thrive in extreme conditions. Mesophiles are found in high salt content areas. Thermophiles in high temperature areas. Acidophiles in high pH areas.</span>
C is homozygous because the genotypes are equal
During meiosis 1, prophase 1 Each chromosome form tetrads and and become more and more condensed. This is when crossing over occurs. So your answer is B.