An organism possesses one copy of each allele type for a given gene. It is said to be...
homozygous recessive for both alleles
heterozygous for the gene
genotypically inactive

What did hunter gathers do to alter the environment?

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

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.