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Q: Genetics ( Gametes ) ( Answered,   1 Comment )
Subject: Genetics ( Gametes )
Category: Science > Biology
Asked by: operator-ga
List Price: $2.00
Posted: 14 Jun 2004 14:04 PDT
Expires: 14 Jul 2004 14:04 PDT
Question ID: 361033
All of the following combinations are possible in the gametes of an
organism that is AaBb EXCEPT:
a) aB 
b) Ab 
c) ab 
d) aa 
e) AB
Subject: Re: Genetics ( Gametes )
Answered By: librariankt-ga on 15 Jun 2004 12:48 PDT
Hi operator -

The gametes contain only ONE of the alleles (versions of a gene)
available from a parent.  Gametes are sperm and ova, and they combine
with their opposite (usually) to complete the genetic package and form
an organism.

The options available to our "person" with the AaBb setup are as follows:


Thus, Answer D (aa) is the one that is not possible - it contains two
alleles for the one gene (A/a) and none for the second (B/b).

Subject: Re: Genetics ( Gametes )
From: typicaluser-ga on 14 Jun 2004 20:29 PDT

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