5. why have people created so many dog breeds? Describe how people created different breeds of dogs from wolves and why they did so.

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii