<span>The ring of muscles that guards the opening between the stomach and the duodenum is the </span>pyloric sphincter
Answer:
This occurs in the first trimester of pregnancy and is called implantation.
Explanation:
I hope this helped you, Brainliest is appreciated.
Answer:
Relation between mutagens and carcinogens. Mutagenicity and carcinogenicity are clearly correlated. One study showed that 157 of 175 known carcinogens (approximately 90 percent) are also mutagens. The somatic mutation theory of cancer holds that these agents cause cancer by inducing the mutation of somatic cells.
Answer:
0%
Explanation:
the allele would be stopped by an I^A
