The first choice is correct
RR x rr
or if you're using the letter "t" to represent the alleles TT x tt
Homozygous means that a particular gene has identical alleles on both chromosomes. TT is for a dominant (stronger) trait and tt is for a recessive (weaker) trait.
Hope this helps! :)
Answer:
A longer amount of time.
Explanation:
Neptune is farther away from the Sun than Mercury, making his orbit around the Sun bigger and therefore longer.
It protects the seed until it matures!