Since the 1800's the trend of selectively breeding dogs for human desired traits became very popular. What can be a negative effect to selectively breeding dogs? A - Dogs learn to only breed with dogs that look like them

B - Dogs can inherit traits that are negative to the dog's health.

C - Dog owners only want an attractive dog to show off

D - Dogs without the traits will become undesirable to all humans

Dogs can inherit traits that are negative to the dogs health

Explanation: because dogs have good traits they are negative to the dogs health

the correct answer is d

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation: