Afarmer grows only sunflowers and flax on his 240-acre farm

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

How are fossils used to date organisms?

Closing romer’s gap. what is the significance of the new fossil evidence found in scotland? answer in claim evidence and reasoning