1.which of the following will occasionally produce a duplicate gene? a-chromosome replication during mitosis b-crossing-over during meiosis c-neutral mutation during transcription d-genetic drift during reproduction

When organisms convert from of energy, what usually results

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

An organism's reproductive strategy includes all of the following except a. the number of offspring produced. b. the amount of energy expended in producing offspring. c. the length of time parental care is given d. the number of alleles an organism passes on.