Answer:
Y most likely represents springs.
Answer:
These homologous chromosomes represent a maternal and a paternal chromosome
Explanation:
Answer:
A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world.
Explanation:
Answer:
because they can donate blood to anyone
Explanation: