The genotypes for both parents are DD and DD for a genetic trait. Their children all have a genetic disorder. Which genetic disorder do they most likely have? A-hemophilia
B-Duchenne muscular dystrophy
C-Huntington’s disease
D-cystic fibrosis

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

Facilitated diffusion move large molecules and/or polar molecules across the cell membrane. what does facilitated diffusion use to do this?

An example of mitosis at work is a leaf