If you flip two coins, the probability that both will come up heads is

1/4
1/2
3/4
0/4

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

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.

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that