30 POINTS! A species of cactus has two alleles for the length of its spines: long spines
(L) and short spines (). The Punnett square below predicts the outcome of a
cross between two cacti, one Land the other // for length of spines.

Graph

What phenotype ratio should be observed in the offspring of this cross?

A. 4 long, 0 short
B. 1 long, 3 short
C. 3 long, 1 short
D. 2 long, 2 short

Who can answer this rq and fast but with the right answer???

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !