Answer:
The sarcoplasmic reticulum contain calcium ions in skeletal muscles which is involved in muscle contraction.
Explanation:
Sarcoplasmic reticulum is an intracellular system of closed saclike membranes involved in the storage of calcium in skeletal muscle cells. The sarcoplasmic reticulum regulates the concentration of calcium and determine muscle contraction.
It’s A an generation that’s the only one that makes sense because evolution is a change over time too
Answer:
100% of offspring will be black and white
Explanation:
BW = Black and white
Because 4 out of 4 offispring fom the punnett squares have the genotype of BW, 100% of the offspring will be black and white