Midphalangeal hair (hair on top of the middle segment of the fingers) is a common phenotype caused by a dominant allele m. homozygotes for the recessive allele (mm) lack hair on the middle segment of their fingers. among 1000 families in which both parents had midphalangeal hair, 1853 children showed the trait while 209 children did not. explain this result.

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes