Interactive Punnett Square examples. How to use Punnett squares in mendielian genetics

In biology, a gene is a sequence of DNA or RNA which codes for a molecule that has a function. During gene expression, the DNA is first copied into RNA.The RNA can be directly functional or be the intermediate template for a protein that performs a function.

Explore your DNA with personalized genetic health, traits and ancestry reports, as well as interactive tools.

A Gene For Nothing One to make you happy, one to make you sad, one to make you mad–is that really the way your genes work?

Genesis 3: The Garden of Eden story: The fall (or perhaps rise) of humanity, & original sin. Part 1: Analysis of Genesis 3: Quotations, Overview, Assumptions, & Authorship

Program Highlights X-Linked Disorders: When One Healthy Gene Isn’t Enough. Specialized human chromosomes called the X chromosome and Y chromosome determine our sex. While males have one X and one Y …

Sex linkage is the phenotypic expression of an allele related to the allosome (sex chromosome) of the individual. In autosomal chromosomes both sexes have the same probability of existing (see Fisher’s principle), but since humans have many more genes on the female X chromosome than on the male Y chromosome, these are much more …

Basic Genetics IV: the relationship of genes to traits (single locus) With the exception of the few DNA tests available, we cannot know the genetic makeup of our s, only the physical makeup, or phenotype.

Hair, teeth, height–even those pesky allergies! Learn how all of these are part of your genetic inheritance.

The Lowdown on Mens Legwear, Mantyhose, Pantyhose and Tights