Ask your own question, for FREE!
Biology 9 Online
OpenStudy (anonymous):

Down syndrome is caused by nondisjunction of chromosome pair 21. If a person with Down syndrome has a child with a person who does not have Down syndrome, what is the probability that the child will have Down syndrome? 0% 50% 75% 100%

OpenStudy (anonymous):

its better you read in detail about meiosis 2!

OpenStudy (anonymous):

|dw:1339120200263:dw|

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!