Downs syndrome occurs when an individual ends up with 3 copies of the 21st chromosome (trisomy 21). in what phase of meiosis could the mistake have occurred (there are two possibilities)? draw the nondisjunction event occurring.

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.