Prophase I,
This is the only time this will happen, there will be synapsis of the homologous chromosomes, and then they will exchange genetic material.
Here's some tips that should help: All cells, both prokaryotic and eukaryotic, have genetic information in the form of DNA. They also have ribosomes that translate genetic information into proteins. All cells also have a cell membrane that protects the contents of the cells. Inside the membrane, all cells have a gel-like substance known as the cytoplasm.
Answer:
Sickle cell disease is caused by a mutation in the hemoglobin-Beta gene found on chromosome 11. Hemoglobin transports oxygen from the lungs to other parts of the body. Red blood cells with normal hemoglobin (hemoglobin-A) are smooth and round and glide through blood vessels.Explanation: