Color blindness is an x-linked recessive trait. if a color-blind male marries a normal, homozygous female, what are the possible genotypes and phenotypes of the children?

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes