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	<title>Breeding &amp; Genetics &#8211; Cannabis Seeds | Repository and Knowledge Base</title>
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	<description>When You Need To Know: Ask Cannabis Seeds</description>
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	<title>Breeding &amp; Genetics &#8211; Cannabis Seeds | Repository and Knowledge Base</title>
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		<title>What Is Segregation Distortion in Cannabis Genetics?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-segregation-distortion-in-cannabis-genetics/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-segregation-distortion-in-cannabis-genetics/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Mon, 26 Oct 2026 14:55:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Genetic Testing & Markers]]></category>
		<category><![CDATA[allele transmission]]></category>
		<category><![CDATA[genetic mapping]]></category>
		<category><![CDATA[genotyping]]></category>
		<category><![CDATA[Mendelian inheritance]]></category>
		<category><![CDATA[segregation distortion]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1676</guid>

					<description><![CDATA[Segregation distortion is a departure from the genotype or allele proportions expected under a specified inheritance model. In cannabis genetics, an unexpected ratio may reflect transmission or survival differences, but it can also arise from sampling, genotyping errors, or an incorrect model. The first task is to establish where the mismatch entered the data.]]></description>
		
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			</item>
		<item>
		<title>What Is Genetic Recombination in Cannabis Breeding?</title>
		<link>https://www.cannabisseeds.com/intermediate/what-is-genetic-recombination-in-cannabis-breeding/</link>
					<comments>https://www.cannabisseeds.com/intermediate/what-is-genetic-recombination-in-cannabis-breeding/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Fri, 23 Oct 2026 19:00:00 +0000</pubDate>
				<category><![CDATA[Breeding & Genetics]]></category>
		<category><![CDATA[Intermediate]]></category>
		<category><![CDATA[breeding populations]]></category>
		<category><![CDATA[crossing over]]></category>
		<category><![CDATA[genetic linkage]]></category>
		<category><![CDATA[genetic recombination]]></category>
		<category><![CDATA[haplotypes]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1675</guid>

					<description><![CDATA[Genetic recombination creates new combinations of inherited DNA, including when homologous chromosomes exchange segments during meiosis. In cannabis breeding, it can separate some linked variants or bring them into new combinations. A cross creates that opportunity, but it doesn't guarantee that a particular seed will carry the combination you're looking for.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/intermediate/what-is-genetic-recombination-in-cannabis-breeding/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Is the Difference Between Penetrance and Expressivity in Cannabis Genetics?</title>
		<link>https://www.cannabisseeds.com/intermediate/what-is-the-difference-between-penetrance-and-expressivity-in-cannabis-genetics/</link>
					<comments>https://www.cannabisseeds.com/intermediate/what-is-the-difference-between-penetrance-and-expressivity-in-cannabis-genetics/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Thu, 22 Oct 2026 19:56:00 +0000</pubDate>
				<category><![CDATA[Genotype vs Phenotype]]></category>
		<category><![CDATA[Intermediate]]></category>
		<category><![CDATA[expressivity]]></category>
		<category><![CDATA[genotype]]></category>
		<category><![CDATA[penetrance]]></category>
		<category><![CDATA[phenotype]]></category>
		<category><![CDATA[trait scoring]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1674</guid>

					<description><![CDATA[Penetrance describes how often a defined phenotype appears among individuals with a particular genotype, while expressivity describes how that phenotype varies in its form or degree. In cannabis genetics, the distinction helps you ask two separate questions: did the trait appear, and what did it look like when it did? Neither term guarantees the appearance of an individual seed-grown plant.]]></description>
		
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			</item>
		<item>
		<title>What Is Pleiotropy in Cannabis Genetics?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-pleiotropy-in-cannabis-genetics/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-pleiotropy-in-cannabis-genetics/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Wed, 21 Oct 2026 14:04:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Breeding & Genetics]]></category>
		<category><![CDATA[genetic linkage]]></category>
		<category><![CDATA[phenotype evaluation]]></category>
		<category><![CDATA[pleiotropy]]></category>
		<category><![CDATA[selection tradeoffs]]></category>
		<category><![CDATA[trait correlations]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1673</guid>

					<description><![CDATA[Pleiotropy means one gene influences more than one trait. In cannabis genetics, it can help explain why selecting for one characteristic also changes another, but correlated traits don't prove pleiotropy. You need to distinguish a shared genetic cause from separate linked genes and from environmental conditions that move both measurements together.]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Is Marker Validation in Cannabis Breeding?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-marker-validation-in-cannabis-breeding/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-marker-validation-in-cannabis-breeding/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Wed, 21 Oct 2026 01:11:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Genetic Testing & Markers]]></category>
		<category><![CDATA[cannabis breeding]]></category>
		<category><![CDATA[cannabis genetics]]></category>
		<category><![CDATA[genetic markers]]></category>
		<category><![CDATA[marker validation]]></category>
		<category><![CDATA[marker-assisted selection]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1600</guid>

					<description><![CDATA[Marker validation tests whether a cannabis DNA marker predicts the intended trait in independent plants and populations. Discovery becomes useful only after technical and decision validation.]]></description>
		
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			</item>
		<item>
		<title>What Is Family Selection in Cannabis Breeding?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-family-selection-in-cannabis-breeding/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-family-selection-in-cannabis-breeding/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Mon, 19 Oct 2026 22:27:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Breeding & Genetics]]></category>
		<category><![CDATA[breeding populations]]></category>
		<category><![CDATA[cannabis breeding]]></category>
		<category><![CDATA[family selection]]></category>
		<category><![CDATA[parent selection]]></category>
		<category><![CDATA[progeny testing]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1599</guid>

					<description><![CDATA[Family selection compares related groups of cannabis offspring to support parent and candidate decisions. Replication, known parentage, and diversity controls keep family results meaningful.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/advanced/what-is-family-selection-in-cannabis-breeding/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Is a Genomic Estimated Breeding Value in Cannabis?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-a-genomic-estimated-breeding-value-in-cannabis/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-a-genomic-estimated-breeding-value-in-cannabis/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Fri, 16 Oct 2026 18:53:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Breeding & Genetics]]></category>
		<category><![CDATA[breeding values]]></category>
		<category><![CDATA[cannabis breeding]]></category>
		<category><![CDATA[genomic estimated breeding value]]></category>
		<category><![CDATA[genomic prediction]]></category>
		<category><![CDATA[quantitative genetics]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1598</guid>

					<description><![CDATA[A genomic estimated breeding value predicts inherited merit for a defined cannabis trait using genome-wide markers and training data. The score must travel with its accuracy and model context.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/advanced/what-is-a-genomic-estimated-breeding-value-in-cannabis/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Is Genotype Imputation in Cannabis Genetics?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-genotype-imputation-in-cannabis-genetics/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-genotype-imputation-in-cannabis-genetics/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Thu, 15 Oct 2026 23:08:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Genetic Testing & Markers]]></category>
		<category><![CDATA[cannabis genetics]]></category>
		<category><![CDATA[genetic markers]]></category>
		<category><![CDATA[genotype imputation]]></category>
		<category><![CDATA[haplotypes]]></category>
		<category><![CDATA[reference panels]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1597</guid>

					<description><![CDATA[Genotype imputation infers cannabis marker states that were not directly observed. Reference-panel fit, masked-call testing, and explicit uncertainty determine whether the estimates are usable.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/advanced/what-is-genotype-imputation-in-cannabis-genetics/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Is Epistasis in Cannabis Genetics?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-epistasis-in-cannabis-genetics/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-epistasis-in-cannabis-genetics/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Wed, 14 Oct 2026 23:32:34 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Breeding & Genetics]]></category>
		<category><![CDATA[breeding populations]]></category>
		<category><![CDATA[epistasis]]></category>
		<category><![CDATA[gene interactions]]></category>
		<category><![CDATA[genetic background]]></category>
		<category><![CDATA[phenotype evaluation]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1672</guid>

					<description><![CDATA[Epistasis is an interaction in which the effect of a gene depends on one or more other genes. In cannabis breeding, that means an allele that looks useful in one genetic background may behave differently after a cross. The practical question is whether the combination, rather than either allele alone, explains the trait you're measuring.]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Is a Selection Index in Cannabis Breeding?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-a-selection-index-in-cannabis-breeding/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-a-selection-index-in-cannabis-breeding/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Wed, 14 Oct 2026 16:42:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Breeding & Genetics]]></category>
		<category><![CDATA[breeding objectives]]></category>
		<category><![CDATA[cannabis breeding]]></category>
		<category><![CDATA[multi-trait selection]]></category>
		<category><![CDATA[quantitative genetics]]></category>
		<category><![CDATA[selection index]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1596</guid>

					<description><![CDATA[A selection index combines several traits into one ranking for a defined cannabis breeding goal. Transparent weights, constraints, and sensitivity checks keep the score useful.]]></description>
		
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