Glaucoma is a leading cause of blindness. studies have linked a common form of glaucoma to three genes and more than 20 genetic loci. which best describes glaucoma?
a). a recessive trait that requires multiple recessive alleles to be expressed
b). a polygenic trait that is influenced by the number of alleles present
c). a codominant trait that is expressed more often when more dominant alleles are present
d). a dominant trait that depends on the presence of only one of many dominant alleles

What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.

What did hunter gathers do to alter the environment?

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.