Mike and margaret are expecting their first child. they are ashkenazi jews and margaret’s ob recommended they get tested to see if they are carriers for genetic disease causing mutations that have a high frequency in the ashkenazi jewish population. the results are that mike is heterozygous for a mutation in hexb while margaret is heterozygous for a mutation in hexa. should they worry about their child? explain why or why not.

Which taxon group is more specific, in regards to organisms that are in that group? mammalia animalia

Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.