Why did earth and venus evolve so differently? why is earth's atmosphere rich in oxygen and poor in carbon dioxide, whereas the reverse is true on venus? what would happen to earth's oceans if earth were a little bit closer to the sun?

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.