Answer:
Pretty sure it's A because people can redo this test as many times as needed to verify the answer.
epithelial stomach cell>stomach lining tissue>stomach>disgestive system
Answer:
Frequency of recessive allele 
Explanation:
Given -
Total Population size = 919
Number of individual with recessive genotype = 341
Frequency of recessive genotype

Frequency of recessive allele 
Hence, option C is correct
Answer:
Diffusion
Explanation:
Diffusion has a membrane which allows even large molecules to pass through it whereas osmosis allows only water molecules as it has a partially permeable membrane.