if there weren't alleles for different traits, but rather only kne version of a gene for different traits, how would humans be differeng?

Choose the molecule that is described by each phrase. energy used during long activities:

'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.

What is the term for the two sets of chromatids formed in the parent cell a.haploid b.diploid c.gamete d.tetrad