john has two sisters and two brothers. three of the five children in the family have dark brown hair, one has red hair, and one has light brown hair. the
variation in hair color is due to the input of multiple genes. what pattern of inheritance is exhibited here?
o a. polygenetic inheritance
ob. co-dominance
w c. pleiotropy
reset
next

How do you date a sample of rock that you suspect as being one of the earliest on earth

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?