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Theme D - Continuity & Change

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Direct Hit

Theme A - Unity & Diversity

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Hey there, Biology rockstars! 🌟 Are you ready to dive into the intriguing world of incomplete dominance and codominance? We promise you, it&#39;s more fun than a barrel of DNA! 🎉 So let&#39;s unravel these genetic phenomena.

<ul>
	<li>Incomplete Dominance: When neither allele is dominant and the offspring&#39;s phenotype is a blend of the parent phenotypes.</li>
	<li>Codominance: When both alleles are equally strong, and both alleles are visible in the phenotype of the hybrid organism.</li>
</ul>

You know how some people have AB blood type? That&rsquo;s not some middle ground between A and B. Nope, it&rsquo;s like the blood cells are shouting, &quot;Hey, I&rsquo;m BOTH A and B!&quot; It&#39;s like being ambidextrous but for your blood. That&#39;s codominance for you!

Imagine you mix red paint with white paint. You get pink, right? That&rsquo;s exactly what happens in the flower Mirabilis jalapa. If you cross a red-flowered plant with a white-flowered plant, the babies will be pink! Awww... It&rsquo;s like the plants couldn&rsquo;t decide, so they went for something in between.

<ul>
	<li>Genotype: The genes an organism has (like CRCR, CRCW, or CWCW for our Mirabilis jalapa example).</li>
	<li>Phenotype: How those genes manifest physically (like being a red, pink, or white flower).</li>
</ul>

Mirabilis jalapa Genotypes and Phenotypes

<ul>
	<li>CRCR: Produces lots of red pigment, like a rose in full bloom! 🌹</li>
	<li>CRCW: Produces some red pigment, leading to pink flowers. Kinda like strawberry milk! 🍓</li>
	<li>CWCW: Produces no red pigment, resulting in white flowers. Pure as snow! ❄️</li>
</ul>

You can use a Punnett grid to predict the flower colors of Mirabilis jalapa offspring or even the coat colors of Icelandic horses. It&#39;s like genetic bingo!

Let&#39;s talk about horses. In Icelandic horses, the different coat colors can be explained by the amount of pigment in their hairs. A Punnett grid can predict what shades of coats their foals will have. Imagine a horse with a lot of pigment looking like it&#39;s wearing a black leather jacket, and one with less pigment rocking a faded denim look. 🧥

<ul>
	<li>In codominance, both alleles want the limelight and get it! 🌟</li>
	<li>In incomplete dominance, the alleles compromise and mix together like a smoothie. 🍹</li>
	<li>Punnett grids are your best friend for predicting what future generations will look like. 🎱</li>
</ul>

So, next time you see a pink flower or a person with AB blood type, give yourself a pat on the back because you&#39;ll know the science behind it! 🎉 Keep rockin&#39; those genes, future geneticists! 🧬✨

Theme D - Continuity & Change

Unlocking Genetics Incomplete & Codominance Revealed

Table of content

Key Definitions 📚

Real-world Example for Codominance - ABO Blood Group 🅰️🅱️

Real-world Example for Incomplete Dominance - Mirabilis jalapa Flowers 🌸

Unlock the Full Content!

Theme D - Continuity & Change

Unlocking Genetics Incomplete & Codominance Revealed

Table of content

Key Definitions 📚

Real-world Example for Codominance - ABO Blood Group 🅰️🅱️

Real-world Example for Incomplete Dominance - Mirabilis jalapa Flowers 🌸

Unlock the Full Content!