Gregor Mendel developed several hypotheses about inheritance from his research on pea plants. Which of the following is not one of Mendel's hypotheses? If present, the dominant allele will determine the organism's appearance.
Genes are made of DNA.
Gametes carry only one allele for each trait.
Organisms inherit two alleles, one from each parent.

The smallest biological units that can evolve are

Match each law or principle to its description. 1. law of original horizontality sediment continues to spread in a flat plane until it hits an edge or runs out of material. 2. law of superposition the youngest strata are at the top and the oldest are at the bottom. 3. law of original lateral continuity sediment gets pulled down by gravity in a horizontal and flat layer. 4. law of cross-cutting or intrusive relationships if there is a fracture or intrusive feature seen in rock strata, it is younger than the rock strata.

Which of the items below would represent the phenotype of an individual? a.gg b.hh c.brown fur