Trilobites are found worldwide and evolved rapidly, making them easily distinguishable from trilobites of other time periods
The allele symbols on the outside of the punnett square represent the alleles in the gametes . Because when we done cross we got the gametes only . Example AABB X aabb , then we got the gametes AB and ab . This represent AB and ab are the alles of the gamete only . A allele is the alternative form of gene , if one is dominant other one is recessive.
Answer:d. law of universal gravitation
Explanation:
