If the initial amount of Carbon-14 in the mammoth was 8 grams, how many half-lives have passed if the fossil sample has 1 gram left? How many years have passed since the
mammoth's death?

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

Akrabby blind whale has married pearl who has normal vision. oneof their two sons is also colorblind. what arr the genotypes of the parents?

Me with biology endocrine system crossword also image left i need with hw