Having no dimples is a recessive trait in humans that is controlled by a single gene. how many recessive alleles must a person have to have no dimples ?

What happens when a magniseum ion ia atracked to a chlrene ion

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

If assuming tasting ptc as a simple gene trait, what other genotype would you select to put in this missing genotype box that could result in this phenotype