A good reason for why tobacco smoke is considered a carcinogen is because it causes mutations leading to cancer.
Answer:
c. The P allele is less frequent in the US than the p allele.
Explanation:
If people with the heterozygous genotype "Pp" present polydactyly, only people with the genotype "pp" will not present polydactyly. Since 99.9% of the population do not exhibit polydactyly, then it can be concluded that the "p" allele is much more frequent in the US than the "P" allele.
Therefore, the answer is:
c. The P allele is less frequent in the US than the p allele.
The scientific name is Homo sapiens
In small intestine millions of micro villi are present for greater absorbption of digested food.
It’s c ......,...,.....,,,..,..........