Two pigs whose tails are exactly 25 cm in length are bred over 10 years and they produce 96 piglets with the following tail lengths: 6 piglets at 5 cm, 25 at 20 cm, 37 at 25 cm, 23 at 30 cm, and 5 at 35 cm. a. how any pairs of genes are regulating the tail length character?

a time line cause it goes from 685 to 978

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

if you know your abc's you should be able to get your answer or just use google