2014 PEET 10번 : 유전병과 연관된 RFLP 유전자, 재조합

<img src="https://t1.daumcdn.net/cfile/cafe/242EBC4C54A6B42F1B" class="txc-image" style="FLOAT: none; CLEAR: none" actualwidth="414" exif="{}" data-filename="무제-2.jpg" border="0" hspace="1" vspace="1" width="414" id="A_242EBC4C54A6B42F1B81FC"/> 답3   유전병 유전자를 B라고 하자. 유전병은 우성이다. 가계도에 표시해 보면 다음과 같다.  <img src="https://t1.daumcdn.net/cfile/cafe/26379A3854A6B8C027" class="txc-image" style="FLOAT: none; CLEAR: none" actualwidth="170" exif="{}" data-filename="무제-2.jpg" border="0" hspace="1" vspace="1" width="170" id="A_26379A3854A6B8C0270107"/>     RFLP 결과(나)를 바탕으로 A유전자의 구성을 다음과 같이 표시할 수 있다. <img src="https://t1.daumcdn.net/cfile/cafe/2642173854A6B8C019" class="txc-image" style="FLOAT: none; CLEAR: none" actualwidth="167" exif="{}" data-filename="무제-3.jpg" border="0" hspace="1" vspace="1" width="167" id="A_2642173854A6B8C0198AF4"/>     A와 B유전자는 연관되어 있다고 했으므로 함께 표시하면 다음과 같다.   <img src="https://t1.daumcdn.net/cfile/cafe/2272233454A6B9740A" class="txc-image" style="FLOAT: none; CLEAR: none" actualwidth="200" exif="{}" data-filename="무제-4.jpg" border="0" hspace="1" vspace="1" width="200" id="A_2272233454A6B9740ACC8C"/>   Ⅱ-1 : AaBb Ⅱ-2 : AAbb B유전자와 A유전자의 재조합 비율은 20%   <TABLE class=txc-table style="FONT-SIZE: 9pt; BORDER-TOP: medium none; FONT-FAMILY: gulim; BORDER-RIGHT: medium none; BORDER-COLLAPSE: collapse; BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; WIDTH: 272px" cellSpacing=0 cellPadding=0 width=272 border=0> <TBODY> <TR> <TD style="BORDER-TOP: #ccc 1px solid; HEIGHT: 24px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; BORDER-LEFT: #ccc 1px solid" colSpan=2> </TD> <TD style="BORDER-TOP: #ccc 1px solid; HEIGHT: 24px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; TEXT-ALIGN: center; WIDTH: 104px">  Ab 1</TD></TR> <TR> <TD style="HEIGHT: 24px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; TEXT-ALIGN: center; BORDER-LEFT: #ccc 1px solid" rowSpan=2>  부모형 80%</TD> <TD style="HEIGHT: 24px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; TEXT-ALIGN: center; WIDTH: 86px">  aB 0.4</TD> <TD style="HEIGHT: 24px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; TEXT-ALIGN: center; WIDTH: 104px">  AaBb 0.4</TD></TR> <TR> <TD style="HEIGHT: 24px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; TEXT-ALIGN: center; WIDTH: 86px">  Ab 0.4</TD> <TD style="HEIGHT: 24px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; TEXT-ALIGN: center; WIDTH: 104px">   <STRIKE> AAbb</STRIKE> </TD></TR> <TR> <TD style="HEIGHT: 24px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; TEXT-ALIGN: center; BORDER-LEFT: #ccc 1px solid" rowSpan=2> 재조합형 20%</TD> <TD style="HEIGHT: 24px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; TEXT-ALIGN: center; WIDTH: 86px">  AB 0.1</TD> <TD style="HEIGHT: 24px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; TEXT-ALIGN: center; WIDTH: 104px">  <STRIKE> AABb  </STRIKE></TD></TR> <TR> <TD style="HEIGHT: 24px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; TEXT-ALIGN: center; WIDTH: 86px">  ab 0.1</TD> <TD style="HEIGHT: 24px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; TEXT-ALIGN: center; WIDTH: 104px">  <STRIKE> Aabb </STRIKE></TD></TR></TBODY></TABLE>   같은 RFLP 대립유전자를 가지면서 (Aa) 유전병X를 나타낼 (B_) 확률 은 40%