Drosophila melanogaster has four pairs of chromosomes. sperm from this species are formed by a meiotic process in which homologous chromosomes pair and segregate but do not undergo crossing over. how many genetically different kinds of sperm could be produced by a drosophila melanogaster male?

Micah is studying child behavior in playgrounds throughout the world. he wants to see how the children react when teachers select the same child to be the first to use each piece of equipment. which approach is micah is using?

2. explain the two different types of egyptian calendars. 3. what architectural advances did the ancient egyptians make? what impact do these advances have on our lives today? 4. what did egyptian art usually depict? how does this compare to forms of art that we see today? 5. what all was found in king tut’s tomb?

This is the largest and most populous country of the caribbean region. puerto rico dominican republic cuba haiti