Question 17 (1 point)
Early in the twentieth century, Walter Sutton and Theodore Boveri noted that the behavior of chromosomes during meiosis is identical to the behavior of genes during gamete formation. They proposed that genes are carried on chromosomes, which led to the basis of the ______.
Question 18 (1 point)
______, while working with the garden pea in the mid-1850s, demonstrated quantitative patterns of heredity and developed a theory involving the behavior of hereditary factors.
Question 19 (1 point)
______ serves as the hereditary material in eukaryotes and prokaryotes.
Question 20 (1 point)
______ is the common name for Mus musculus.
Question 21 (1 point)
Organisms that are well understood from a scientific standpoint and are often used in basic biological research are called ______.