Which type of traits vary quantitatively due to the interaction of multiple genes? O polygenic O codominant o incomplete dominant O dominant

The afrikaners are an example of a founder effect that occurs when a new colony is started by a few members of the original population and the random decrease in genetic variation is an example of

Which of the following is the most likely result of converting forestland to urban development? a.the amount of land available for lumber production decreases. b.fewer trees are needed because cities are made mainly of concrete. c.people discover more efficient ways to grow trees. d. the price of lumber goes down.

The influenza virus cause the flu, but not other diseases. why?