Suppose that two people having free earlobes start a family. the first child has free earlobes and their second has attached earlobes.
a. what are the genotypes of the parents?
b. what is the genotype of their first child?
c. what is the genotype of their second child?

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere