× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
s
5
g
5
K
5
o
5
g
5
o
4
k
4
s
4
I
4
k
4
j
4
o
4
Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
New Topic  
laniyar laniyar
wrote...
Posts: 3
Rep: 0 0
11 years ago
(a)how many different phenotypic classes will result following selfing of this plant?

AabbCcDdee x AabbCcDdee
Reading these forums, I came up with:
n=the number of heterozygous genes
2^n = the number of phenotypic classes. So 2^3=8 phenotypic classes,right?

What if the cross was something like:
AabbCcDdee x AaBbccddEe

Would the n=3 or would n=5?
   
(b)   how many different genotypic classes will be obtained when this plant (AabbCcDdee) is used in a
test-cross?

How do you get (b)?

Would the testcross be:
AabbCcDdee x aaBbccddEe

Thanks
Read 1934 times
2 Replies

Related Topics

Replies
wrote...
#1
11 years ago
a. 1/2 x 1/2 x 1/2 x 1 x 1/4 = 1/32
Aa x AA = 1/2 Aa
Bb x BB = 1/2 BB
Cc x cc = 1/2 CC
dd x DD = 1 Dd
Ee x Ee = 1/4 EE

b. 0 chance!!
Cannot get CC in offspring, because only 1 parent has a C.
So the other parent is always going to provide c.
laniyar Author
wrote...
#2
11 years ago
Those answers are wrong, but thanks for trying als2915.
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  927 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 224
  
 757
  
 47
Your Opinion
Who will win the 2024 president election?
Votes: 7
Closes: November 4
Previous poll results: Who will win the 2024 president election?