Answer:
Open channels allow an influx of sodium ions into the cytoplasm of the muscle fiber. The sodium influx also sends a message within the muscle fiber to trigger the release of stored calcium ions. The calcium ions diffuse into the muscle fiber.
Explanation:
It will be convergent i hoped this help you have a nice day <3
Possible gamete's genotypes in both parents are: SY, sY, Sy, sy
Genotypic ratio: SSYY 1 : SSYy 2 : SsYY 2 : SsYy 4 : SSyy 1: Ssyy 2: ssYY 1: ssYy 2: ssyy 1
Phenotypic ratio: yellow, spherical 9 : yellow, dented 3: green, spherical 3 : green, dented 1
Take a look at the attachment :)