Someone pls double check me? am i right or wrong? : )

Why does the skin of your finger shrink when you wash clothes for a long time?

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.