Answer:Animals,Bacteria,plants,fungi
Explanation:
If the number of chromosomes was not reduced before sexual reproduction, any offspring would have too many chromosomes causing genetic defects.
Answer:
The first phase of Meiosis 1 is prophase 1. during the prophase 1 is where DNA is exchanged between homologous Chromosomes in a process called crossing over or recombination.
Someone asked this question already and it was answered by @mrsbabyjacob and verified by an expert. Here’s there answer:
“Relaxation occurs when stimulation of the nerve stops. Calcium is then pumped back into the sarcoplasmic reticulum breaking the link between actin and myosin. Actin and myosin returned to their unbound state causing the muscle to relax.”
Another person said they thought the answer was A.
Just don’t want you to accidentally waste your points when there are answers already :)
Answer:A man is exposed to a high amount of ultraviolet light. The light causes DNA in the cells of his eyes to suffer many mutations. His doctor claims that the mutations will not be passed to any future offspring. Which argument BEST describes the doctor's claim?
Explanation: