2. Which step of the scientific method requires evaluating data to see if it supports or refutes the hypothesis that was stated? A. make a prediction
B. analyze observations
C. ask a question
D. form a hypothesis

In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca