9. For what reason has the American Society for Reproductive Medicine created guidelines to help reduce the number of multiples born as a result of IUI and IVF?
Multiple births are often advantageous to the mother.
Parents of multiples are less likely to want more children.
Twins and quadruplets are often healthier than single births.
Multiples are often plagued with health problems.

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

Which of the following terms best matches this definition: the process where humans choose the traits that will be present in the next generation through breeding. question 4 options: genetic determinism artificial selection acquired selection natural selection

What is the starting point in replication called