FuseSchool
Blood groups
Imagine you’ve been involved in an accident. You’re bleeding and are rushed to the hospital. Thankfully you’re given a blood transfusion, to replace your lost blood. But you can’t just have blood from any old donor... In fact, when...
Professor Dave Explains
Mendelian Genetics and Punnett Squares
For all of human history, we've been aware of heredity. Children look like their parents. But why? When Gregor Mendel pioneered the field of genetics, he began to try to answer that question, and now that we know about chromosomes, all...
Professor Dave Explains
Inheritance of X-Linked Genes
We all know that DNA is the molecule of heredity, but we didn't always know that. It had to be demonstrated empirically. As it happens, some of the first evidence put forth had to do with genes found on the X-chromosome of fruit flies,...
FuseSchool
BIOLOGY - Genetics - Common Terms Used in Genetics
Learn exactly what these different terms mean, that you will come across in genetics and cell division: Gamete, Chromosome, Gene, Allele, Dominant, Recessive, Homozygous, Heterozygous, Genotype, Phenotype, Haploid & Diploid
FuseSchool
Inherited Genetic Disorders
This girl has six fingers on her left hand. She has a condition called polydactyly, which causes extra fingers or toes. Her father and grandmother as well as some of her cousins also have the condition. This should give you a clue about...
Khan Academy
Khan Academy: Biology: Hardy Weinberg Principle
A detailed explanation of the Hardy-Weinberg Principle of genetic equilibrium. [14:57]
Khan Academy
Khan Academy: Biology: Variation in a Species
An explanation of genetic variations within a species. [19:51]
Sophia Learning
Sophia: Monohybrid Cross
A narrated learning activity illustrating how a monohybrid cross of genetic traits gets passed on to offspring. [3:40]
Khan Academy
Khan Academy: Biology: Introduction to Heredity
An introduction to heredity. Understand important terms in genetics like dominant and recessive traits, and heterozygous and homozygous genotypes. [17:27]
Sophia Learning
Sophia: Dihybrid Cross: Lesson 1
This lesson will explain how to use a Dihybrid cross when determining multiple genetic traits at once. It is 1 of 4 in the series titled "Dihybrid Cross."
Sophia Learning
Sophia: Punnett Square: Lesson 1
This lesson will introduce how to use a Punnett square to determine genetic traits. It is 1 of 3 in the series titled "Punnett Square."
Khan Academy
Khan Academy: Applying the Hardy Weinberg Equation
Using the Hardy-Weinberg equation to calculate allele and genotype frequencies. [5:30]
Khan Academy
Khan Academy: Classical Genetics: Co Dominance and Incomplete Dominance
Learn about codominance, where both alleles in the genotype are seen in the phenotype, and incomplete dominance, a mixture of the alleles in the genotype is seen in the phenotype. [3:28]
Sophia Learning
Sophia: Monohybrid Cross: Lesson 1
This lesson will explain how to use a Monohybrid cross when determining genetic traits. It is 1 of 4 in the series titled "Monohybrid Cross."
Sophia Learning
Sophia: Punnett Square: Lesson 2
This lesson will introduce how to use a punnett square to determine genetic traits. It is 2 of 3 in the series titled "Punnett Square."
Sophia Learning
Sophia: Punnett Square: Lesson 3
This lesson will introduce how to use a punnett square to determine genetic traits. It is 3 of 3 in the series titled "Punnett Square."
Sophia Learning
Sophia: Traits: Lesson 1
This lesson will explain how traits are passed down by alleles, and that one particular genotype determines one particular phenotype. It is 1 of 3 in the series titled "Traits." [1 min. 8 sec.]
Sophia Learning
Sophia: Types of Traits: Lesson 1
This lesson will explain that genotypes can be either homozygous or heterozygous. It is 1 of 4 in the series titled "Types of Traits." [2:15]