maize mutant phenotypes

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miniature_kernel [2014/03/13 12:39] – external edit 127.0.0.1miniature_kernel [2014/09/02 19:20] (current) – created chris.bottoms
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     <div class="phenotype_definition">     <div class="phenotype_definition">
         <span class="phenotype_name">         <span class="phenotype_name">
-            miniature kernel+            Miniature kernel
         </span>         </span>
-        small viable kernel, with loose pericarp+        Miniature kernel with loose pericarp;  needs 2 doses to express in endosperm.
     </div><a href="http://www.maizegdb.org/cgi-bin/displayphenorecord.cgi?id=64384">MaizeGDB reference</a>     </div><a href="http://www.maizegdb.org/cgi-bin/displayphenorecord.cgi?id=64384">MaizeGDB reference</a>
 </html> </html>
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 <html> <html>
     <div class="figure">     <div class="figure">
-        <a href="http://images.maizegdb.org/db_images/Variation/mgn/5207_1613_0277_30.jpg"> +        <a href="http://images.maizegdb.org/db_images/Variation/mgn/5190_1611_1918_10.jpg"> 
-            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/5207_1613_0277_30.jpg"/>+            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/5190_1611_1918_10.jpg"/>
         </a>         </a>
  
         <div class="figcaption">         <div class="figcaption">
             <span class="caption_header">             <span class="caption_header">
-                miniature kernel+                Miniature kernel
             </span>             </span>
-            Colored ACRPr ear from the cross   +/mn*-378C  x homozygous mn*-378C   showing 1:1 segregation for normal and small grayish loose pericarp mutant kernels with purple silk attachment; note ear also has mottled kernels, indicating possible segregation for r1 in the female parent+            Selfed yellow dent Mn*-N2423A/+ heterozygous mutant ear segregating for small loose pericarp kernels (2dose) and tiny collapsed kernel casings(3 dose) with endosperm missing
         </div>         </div>
     </div>     </div>
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 <html> <html>
     <div class="figure">     <div class="figure">
-        <a href="http://images.maizegdb.org/db_images/Variation/mgn/5207_1613_0277_28.jpg"> +        <a href="http://images.maizegdb.org/db_images/Variation/mgn/7099_3173_2577_62.jpg"> 
-            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/5207_1613_0277_28.jpg"/>+            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/7099_3173_2577_62.jpg"/>
         </a>         </a>
  
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                 miniature kernel                 miniature kernel
             </span>             </span>
-            Selfed colored ACR homozygous mn*-N227B mutant ear showing small dilute colored loose pericarp kernels. Note occasional large dilute kernels, indicating chance combination of favorable modifiers, bringing phenotype except for dilution back to near normal.+            Photo of ears homozygous for miniature (mn1) seed (top) and segregating 1:1 for normal vs. miniature kernels. Note loose pericarp from incomplete filling by the smaller endosperm of the mutant kernels.
         </div>         </div>
     </div>     </div>
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 <html> <html>
     <div class="figure">     <div class="figure">
-        <a href="http://images.maizegdb.org/db_images/Variation/mgn/7099_3173_2577_62.jpg"> +        <a href="http://images.maizegdb.org/db_images/Variation/mgn/5207_1613_0277_28.jpg"> 
-            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/7099_3173_2577_62.jpg"/>+            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/5207_1613_0277_28.jpg"/>
         </a>         </a>
  
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                 miniature kernel                 miniature kernel
             </span>             </span>
-            Photo of ears homozygous for miniature seed (bottom) and segregating 1:1 for normal vs. miniature kernels. Note loose pericarp from incomplete filling by the smaller endosperm of the mutant kernels.+            Selfed colored ACR homozygous mn*-N227B mutant ear showing small dilute colored loose pericarp kernels. Note occasional large dilute kernels, indicating chance combination of favorable modifiers, bringing phenotype except for dilution back to near normal.
         </div>         </div>
     </div>     </div>
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 <html> <html>
     <div class="figure">     <div class="figure">
-        <a href="http://images.maizegdb.org/db_images/Variation/mgn/5207_1613_0277_37.jpg"> +        <a href="http://images.maizegdb.org/db_images/Variation/mgn/5207_1613_0277_30.jpg"> 
-            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/5207_1613_0277_37.jpg"/>+            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/5207_1613_0277_30.jpg"/>
         </a>         </a>
  
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                 miniature kernel                 miniature kernel
             </span>             </span>
-            A normal yellow flint ear (top) and a selfed homozygous mn*-N1373A mutant ear (bottom) showing colored navajo spot on some kernels due to R-nj  indicating slow growing healthy aleurone  and opaque endosperm tissue that did not fill out the loose pericarp+            Colored ACRPr ear from the cross   +/mn*-378C  x homozygous mn*-378C   showing 1:1 segregation for normal and small grayish loose pericarp mutant kernels with purple silk attachment; note ear also has mottled kernels, indicating possible segregation for r1 in the female parent.  Note also a tiny purple spot around silk attachment of many of the mn kernels suggesting general presence in the mutant of a sunlight requiring pigment expressed at the base of the fiber optic like silk.
         </div>         </div>
     </div>     </div>
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 <html> <html>
     <div class="figure">     <div class="figure">
-        <a href="http://images.maizegdb.org/db_images/Variation/mgn/7101_3161_2580_52.jpg"> +        <a href="http://images.maizegdb.org/db_images/Variation/mgn/5207_1613_0277_37.jpg"> 
-            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/7101_3161_2580_52.jpg"/>+            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/5207_1613_0277_37.jpg"/>
         </a>         </a>
  
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                 miniature kernel                 miniature kernel
             </span>             </span>
-            A selfed ear of homozygous mn4-N888C(bottom) segregating for cp3-N888A and, for comparison, a normal sib ear (top). All the kernels on the mn4 ear, which segregates 3:1 for cp3 and 15:1 for a collapsed orange pericarp phenotype, are smaller and have loose pericarp. The few nearly normal-appearing kernels are probably due to chance combination of favorable modifiers which tend to overcome the weakness of mn.+            A normal yellow flint ear (top) and a selfed homozygous mn*-N1373A mutant ear (bottom) showing colored navajo spot on some kernels due to R-nj  indicating slow growing healthy aleurone  and opaque endosperm tissue that did not fill out the loose pericarp
         </div>         </div>
     </div>     </div>
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 <html> <html>
     <div class="figure">     <div class="figure">
-        <a href="http://images.maizegdb.org/db_images/Variation/mgn/7099_3173_2501_29.jpg"> +        <a href="http://images.maizegdb.org/db_images/Variation/mgn/7101_3161_2580_52.jpg"> 
-            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/7099_3173_2501_29.jpg"/>+            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/7101_3161_2580_52.jpg"/>
         </a>         </a>
  
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                 miniature kernel                 miniature kernel
             </span>             </span>
-            mn4-N888C, miniature kernel: photo of a Selfed ear of a mn4 mn4, + cp3 plant showing all small loose pericarp kernels with a 3:1 segregation for cp3 and a 15:1 segregation for collapsed orange pericarp. The few normal-appearing kernels are probably due to the chance combination of favorable modifiers which tend to overcome the weakness of mn4.+            A selfed ear of homozygous mn4-N888C(bottom) segregating for cp3-N888A and, for comparison, a normal sib ear (top). All the kernels on the mn4 ear, which segregates 3:1 for cp3 and 15:1 for a collapsed orange pericarp phenotype, are smaller and have loose pericarp. The few nearly normal-appearing kernels are probably due to chance combination of favorable modifiers which tend to overcome the weakness of mn.
         </div>         </div>
     </div>     </div>
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 <html> <html>
     <div class="figure">     <div class="figure">
-        <a href="http://images.maizegdb.org/db_images/Variation/mgn/5190_1611_1918_10.jpg"> +        <a href="http://images.maizegdb.org/db_images/Variation/mgn/7099_3173_2501_29.jpg"> 
-            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/5190_1611_1918_10.jpg"/>+            <img src="http://images.maizegdb.org/db_images/Variation/mgn/480_w_ds/7099_3173_2501_29.jpg"/>
         </a>         </a>
  
         <div class="figcaption">         <div class="figcaption">
             <span class="caption_header">             <span class="caption_header">
-                Miniature kernel+                miniature kernel
             </span>             </span>
-            Selfed yellow dent Mn*-N2423A/+ heterozygous mutant ear segregating for small loose pericarp kernels (2dose) and tiny collapsed kernel casings(3 dose) with endosperm missing+            mn4-N888C, miniature kernel: photo of a Selfed ear of a mn4 mn4, + cp3 plant showing all small loose pericarp kernels with a 3:1 segregation for cp3 and a 15:1 segregation for collapsed orange pericarp. The few normal-appearing kernels are probably due to the chance combination of favorable modifiers which tend to overcome the weakness of mn4 and cp3.
         </div>         </div>
     </div>     </div>
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miniature_kernel.1394714345.txt.gz · Last modified: 2014/03/13 14:17 (external edit)