Answer:
R r
R RR Rr
r Rr rr
Explanation:
1:2:1 is the genotypic ratio
Answer: Sphincter muscles
Explanation:
The circular rings of smooth muscles, that can contract to regulate the movement of the smooth muscles that can contract to regulate the movement of food through the gastrointestinal tract are known as sphincter muscles.
These two layers are outer layer and inner layer. The outer layer is longitudinal and the inner layer is circular. They contract rhythmically to squeeze food.
C! Because animal cells don’t have a cell wall! Have fun in Science!
Answer:
the one that you chose it the correct answer.
Explanation:
