× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
michaela40 michaela40
wrote...
Go to Answer
Posts: 521
Rep: 0 0
6 years ago
Why has the dominant mutant allele for Huntington's disease been able to persist in human populations despite its
  devastating effects?
  a. It has a heterozygote advantage.
  b. Its symptoms do not typically show until after the individual has had children.
  c. Its effects are not expressed in heterozygous individuals.
  d. Its effects are only expressed in homozygous recessive individuals.
  e. Its effects are only expressed in homozygous dominant individuals.

Question 2

Tay-Sachs disease is a(n) ____ disease that results in blindness, intellectual disability, and death due to ____.
  a. sex-linked; the absence of one of the sex chromosomes
  b. autosomal recessive; accumulation of lipids in brain cells
  c. X-linked; accumulation of acetyltransferases in brain cells
  d. autosomal; sickled red blood cells
  e. autosomal dominant; accumulation of mucus in the lungs
Read 48 times
2 Replies
Replies
Answer verified by a subject expert
qurat.ain46qurat.ain46
wrote...
#1
Top Poster
Posts: 535
Rep: 7 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

michaela40 Author
wrote...
#2
6 years ago
Perfect on my quiz, so smart <3
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  893 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1126
  
 347
  
 52
Your Opinion
How often do you eat-out per week?
Votes: 79
Previous poll results: What's your favorite coffee beverage?