Cystic fibrosis is an inherited disease that affects breathing and digestion. it is caused by a single recessive allele. two parents without cystic fibrosis have a child who has cystic fibrosis. what is the probability that their third child will be a boy with cystic fibrosis?

You can always get a sexually transmitted disease. always ask for consent before doing anything..because you never know if your bf or gf has an std!

T.j. is struggling with whether or not it is worth trying to quit his prescription drug abuse. he used to be dedicated to his family and friends, but he worries that his abuse has driven away everyone who cares about him so there is no point in quitting. what long-term benefits can you use to try to motivate him to make the effort to quit? (3 points) improved healthy cholesterol levels leading to decreased chance of heart disease improved relationship stability and better ability to handle stress or depression increased stress levels and better chances of making and keeping friends increased blood glucose levels and less chance of developing type 2 diabetes