× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
6
y
2
m
2
m
2
u
2
m
2
B
2
M
2
e
2
k
2
N
2
y
2
New Topic  
vicmillz vicmillz
wrote...
Posts: 532
Rep: 1 0
6 years ago
A genetic abnormality that may result in males with mental retardation and reduced fertility is
  a. XXY.
  b. XYY.
  c. Turner syndrome.
  d. Down syndrome.
  e. XXX.

Question 2

In Down syndrome,
  a. as the age of the mother increases, the chance of the defect occurring in the unborn
  children increases.
  b. the age of the father usually has an equal influence on the defect.
  c. most embryos abort before complete term.
  d. a person with the defect cannot have a normal child.
  e. 80 of trisomic 21 babies are born to women over the age of 40.
Read 51 times
1 Reply
Replies
Answer verified by a subject expert
lizzynorrislizzynorris
wrote...
Top Poster
Posts: 516
Rep: 0 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

vicmillz Author
wrote...

6 years ago
Thank you, thank you, thank you!
wrote...

Yesterday
You make an excellent tutor!
wrote...

2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  494 People Browsing
Related Images
  
 65
  
 84
  
 1013
Your Opinion
Who will win the 2024 president election?
Votes: 119
Closes: November 4