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Learn about multiple alleles, incomplete dominance, and codominance in genetics on Khan Academy.
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Introduction to heredity review (article) | Khan Academy
Course: High school biology (DEPRECATED) > Unit 5. Lesson 1: Introduction to heredity. Introduction to heredity. Alleles and genes. Worked example: Punnett squares. Mendel and his peas. The law of segregation. The law of independent assortment. Probabilities in genetics.
Blood types (video) | Khan Academy
Learn about the unique properties of blood types and their importance in medical procedures like transfusions. Discover the role of A and B molecules in determining blood types, and how antibodies interact with these molecules. Understand why knowing your blood type is crucial for safe blood transfusions.
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Each chromosome consists of a single very long DNA molecule, and each gene on the chromosome is a particular segment of that DNA. The instructions for forming species’ characteristics are carried in DNA. All cells in an organism have the same genetic content, but the genes used (expressed) by the cell may be regulated in different ways. Not all DNA codes for a protein; some segments of DNA ...
Punnett Square with blood types! – Khan Academy Help Center
This Punnett square with blood types is really confusing. I need to make a Punnett square to find the blood type of Barbra's husband with her and her twin's blood type. Name Blood type. Barbra +0. Baby #1 B.
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YouTube videos with interactive stories and lessons. Inspire a lifetime of learning with our educational app for kids ages 2-7. Kids can learn reading, writing, math, counting, ABCs, addition, subtraction, social-emotional skills, & more. 100% free on iPhone, iPad, Android, and Amazon.