1. che cosa sono i gameti?
2. qual è il corredo cromosomico dell’essere umano?
3. in che cosa consiste il crossing over?
4. quali sono le differenze più significative fra meiosi e mitosi?
5. che cosa accadrebbe se i gameti avessero un corredo cromosomico 2n?

Texas bluebonnet plants seen in this photo are an example of which ecological unit?

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.