Single nucleotide polymorphisms (SNPs)
An image of a family tree depicting the occurance of single nucleotide polymorphisms.
dna mutation,single nucleotide polymorphisms,occurance,mutations,family tree
- ID: 15557
- Source: DNALC.DNAi
15617. DNA nucleotide mutation
A single DNA nucleotide undergoes a "point" mutation, changing an A to a T.
554. Single Nucleotide Polymorphisms
A single nucleotide polymorphism, or SNP, occurs when two individuals in the population differ by a single letter in the DNA sequence.
15242. Using RFLPs or SNPs to study patterns in families, Mark Skolnick
Mark Skolnick talks about using RFLPs or SNPs to study patterns in families
15092. Studying the Y chromosome to understand population origins and migration, Michael Hammer
Evolutionary geneticist Michael Hammer speaks about the markers used to analyze DNA variation in the Y chromosome.
16587. Concept 27: Mutations are changes in genetic information.
Some mutations are starting points for evolution, others are responsible for disease.
16611. Problem 27: Mutations are changes in genetic information.
Use mutations to measure human evolution.
15608. Human/Neandertal/Chimp mutation evoluton tree
Mutations in our DNA can be used to trace the relationships between different populations and species.
15618. mutation family tree
A hypothetical family tree useing color to illustrate different lineages. At each colored branching point, one lineage has accumulated a new mutation. The black line indicates modern times.
935. Hallmarks, Overview
Cancer is a disease that affects people of all nationalities and age groups and all cancers start with mutations in one cell.
15168. Accumulating DNA mutations through time, Mark Stoneking
Geneticist Mark Stoneking talks about the difficulties of measuring time by mutations.