The genotypes that indicates a homozygous dominant trait is : B. TT
Homozygous : both alleles must be the same, so it eliminate option A. Dominant trait : One of the allele must be written in Capital letter, so it eliminate option C.
The answer is meteorites just draw a rock going to the moon or a planet describe the meteor like a big rock and as evidence the craters of the moon were and still are created by meteorites.