Gene cloning can involve inserting genes into
select one:
a. protein
b. machines
c. plants
d. humans

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled

Awarm front often brings a. cirrus clouds b. fair conditions c. cool weather d. steady rain