<span>A cross between a homozygous yellow line (YY) and a homozygous green line (yy) will result in F1 plants that are heterozygous (Yy) for this trait and produce yellow seeds.
If F1 generation is crossed only gamete possibility B. would be correct
A. 3/4 Y, 1/4 y incorrect
B. 1/2 Y, 1/2 y correct
C. 1/2 YY, 1/2 yy incorrect
D. 1/2 Yy, 1/2 Yy incorrect
E. 1/4 Y, 3/4 Y incorrect
F. 1/2 y, 1/2 y incorrect</span>
The Australopithecus afarensis has a much smaller skull, which resulted in the smaller brain. The Homo Neadethalensis had a much larger skull so it can be infered it had a larger brain and a higher campacity for learning
