how can scientists use the following pedigree?

a. to confirm the principle of independent assortment
b. to confirm the one gene: one protein concept
c. to study the phenomenon of dominance
d. to prove the gene of the trait is located on the x-chromosome

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.