What are the chances of having a child with hitchhiker’s thumb if both parents are hybrids? show work

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.

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

Is there any solid scientific evidence that humans have been cloned?