Populations in ocean fisheries have been dropping for decades, but the amount of fish caught has not declined. what factor is responsible for masking this drop in fish populations?

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic

During dna replication,each strand of dna is used as a template to produce a complementary strand of dna. this process is shown below. which base will attach to location