Genetics Page 80
More in Genetics
SCN1A Gene: Function, Mutations, and Related Conditions
The SCN1A gene plays a key role in nerve cell signaling. Learn how its variants cause epilepsy and what this means for diagnosis and targeted medical management.
What Is a DNA Marker and How Is It Used?
Understand the foundational tools—DNA markers—that allow researchers to map inheritance, identify individuals, and advance modern diagnostics.
Does a Father and Son’s DNA Match?
The genetic connection between a father and son is complex. We explain the two distinct inheritance patterns that define their biological match.
How Much DNA Is in a Human? Length, Mass, and Information
Quantifying human DNA requires three different measurements: physical length, total mass across the body, and the complexity of its genetic code.
Are Grapes Without Seeds Real? The Science Behind Them
Explore the science and cultivation of seedless grapes, revealing their natural origins and how they reach your table.
Is Dyslexia Inherited From the Mother or Father?
Does dyslexia come from Mom or Dad? We explore the complex genetic links and why inheritance is not tied to parental gender.
The Role of the SRY Gene in Sex Determination
Examine how the SRY gene functions as a pivotal genetic signal, initiating a complex developmental and hormonal cascade that directs human sex determination.
How to Calculate Allele Frequency Using Hardy-Weinberg
Explore a fundamental method to analyze genetic composition and track changes within populations.
The CRISPR Baby: The Science and Ethics of Gene Editing
An analysis of the event that made heritable gene editing a reality, exploring the permanent biological alterations and the resulting global consensus on its use.
What a Centimorgan (cM) Means For Your DNA Matches
Decode your DNA match data. Learn how shared centimorgans quantify genetic connections and illuminate your family history research.
Can You Actually Get DNA From Urine for Testing?
Urine contains trace amounts of DNA, but effective collection, storage, and extraction methods are key to its use in diagnostics and forensic analysis.
How Is Marfan Syndrome Inherited and Passed Down?
Marfan syndrome follows an autosomal dominant pattern, but new mutations and variable severity make inheritance more nuanced than it might seem.
Differential Gene Expression Analysis: What It Is & Why It Matters
Learn how comparing gene activity levels reveals the molecular basis of biological change, from cellular development to disease and medical treatment.
Mitochondrial DNA (mtDNA): What It Is & Why It Matters
Beyond the nucleus, a separate set of DNA powers our cells. This unique genetic code, passed down the maternal line, links cellular energy to human history.