Hi!
A phenotype is D) What you physically see or are.
EXAMPLE: You have brown eyes . . . That's your phenotype.
Lipase is an Enzyme protein that helps. break down fats in foods
The stamen is the part of the flower that produces pollen.
Crossing over occurs at the four-strand stage when two homologous chromosomes, each consisting of a pair of sister chromatids, are paired. Each crossover involves just two of the four strands and generates two recombinant strands.
Hope this helps!