What is function of the alveoli?

Complete the possible outcomes for each generation in the pedigree chartaa aa aa

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Suppose you use three different scale to weigh a bag of organges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of organges is 2.153 lb. which of the following best decribes these results?