Which of the following would have the greatest effect on natural selection within a geographically isolated population of elephants? a. dna replication b. availability of resources c. formation of gametes d. average life expectancy

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other