In peas, seeds may be round (R) or wrinkled (r). What proportion of the offsprin
ID: 92215 • Letter: I
Question
In peas, seeds may be round (R) or wrinkled (r). What proportion of the offspring in the following crosses would be expected to be wrinkled? a. RR times rr b. Rr times Rr c. Rr times rr In peas, seeds may be yellow (Y) or green (y). What proportion of the offspring in the following crosses would be expected to be yellow? a. YY times Yy b. Yy times Yy c. yy times yy In peas (again), the stem length may result in a tall (T) or dwarf plant. What proportion of the offspring in the following crosses would be expected to be tall, and what proportion dwarf? a. TT times tt b. TT times Tt c. Tt times Tt d. tt times Tt What proportion of the plants from the following crosses would be tall with yellow, wrinkled seeds? a. TtYYRr times tt YYrr b. TTYyRr times TtYyRr c. ttYyrr times ttyyRr d. TtYyRr times TtYyRrExplanation / Answer
6. In peas, seeds may be round (R) or wrinkled (r). What proportion of the offspring in the following crosses would be expected to be wrinkled?
a. RR x rr b. Rr x Rr c. Rr x rr
6a. ANS: None
6b. ANS: 1/4
6c. ANS: 1/2
7. In peas, seeds may be yellow (Y) or green (y). What proportion of the offspring in the following crosses would be expected to be yellow?
a. YY x Yy b. Yy x Yy c. yy x yy
7a. ANS: ALL
7b. ANS: 3/4
7c. ANS: None