27 in a certain species of bearden aliens, legs can be either maroon, gray, or maroon
and gray. neither allele is recessive.
a. what type of inheritance is this?

b. show a punnett square of a cross of two heterozygous maroon-and-gray
aliens.
c. show the phenotypic ratio of the cross.

Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now

Which of the following are responsible for sending messages from the hypothalamus to the thalamus?