What is the moon composed of
crust=
mantle=
core=

Crust:
The crust of the Moon is made up of mostly- oxygen, silicon, magnesium, iron, calcium, and aluminum. There are also traces of titanium, uranium, thorium, potassium and hydrogen. 

Mantle:
Scientists believe that the mantle of the Moon is mostly made up of the minerals olivine, orthopyroxene and clinopyroxene. It's also believed to contain more iron than the Earth's mantle. 

Core:
Most scientists believe that it is composed of metallic iron alloyed with a small amount of sulfur and nickel.

geno- 25%BB 50%Bb 25%bb

Pheno: black, kermode(white)

Explanation: the top of the punnett square should have Bb and the side should have Bb.

Square one should be BB square two should be Bb square three should be Bb and square 4 should be bb * note* the percentages should add up to 100 and use percentages of 25