A dihybridcross looks at the combination of two different traits that are lined together between two parents who are heterozygous for each trait. Which of the following would be the genotype for the parents of a dihybridcross?
O YURT
O YYRR
Ο ΥΥ
O YYRR

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body