Hey there Lorin!
Long period comets come something called the OORT CLOUD.
Short period comets come from the kuiper belt.
-Steel jelly
1. There is a 50% chance that the child will have blue eyes.
2. The pair of alleles would be homozygous.
Answer:
(i)
x= nucleus
y= chloroplasts
z= vacuole
(ii)
1) an animal cell does not contain a vacuole but a plant cell does
2) a plant cell contains chloroplasts but an animal cell does not