× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
c
5
j
5
a
5
L
5
f
5
j
5
D
4
k
4
y
4
t
4
h
4
l
4
New Topic  
LemyLekySama LemyLekySama
wrote...
Posts: 36
Rep: 0 0
11 years ago
Huntington disease is governed by autosomal dominant inheritance. What is the likelihood that a person who has one heterozygous affected parent and one normal parent will develop the disease?

 a) 50%
 b) 75%
 c) 0% (impossible)
 d) 100% (certain)
Read 416 times
2 Replies

Related Topics

Replies
wrote...
11 years ago
50%
wrote...
11 years ago
a) 50 %

Because a child receives one gene from each parent. The heterozygous affected parent has one normal gene and one affected gene. This parent must give one of the two to his/her child, therefore, the probability is 50%.
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  584 People Browsing
Related Images
  
 32
  
 611
  
 27650
Your Opinion
Which is the best fuel for late night cramming?
Votes: 146

Previous poll results: How often do you eat-out per week?