In the genetic drift analogy of a drunk man on a train platform, the width of the platform is analogous to what

The answer is the population size.  The chance has a role in determining whether a given individual survives and reproduces and the alleles in the offspring are a sample of those in the parents. it is the change in the frequency of an existing gene variant (allele) in a population due to random sampling of organisms. Genetic Drift or another term for allelic drift or the Sewall Wright effect. 

the titanic would be the correct answer

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u