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The Structure of mRNA (messenger RNA)

mRNA, or messenger RNA, is a type of RNA molecule functioning to carry genetic information from DNA to ribosomes. The information as a transcript is translated by ribosomes into a protein. mRNA basically is a linear sequence of nucleotides (the…

Coordination of Neurons and Vascular growth

A lot of oxygen and energy are required by nerve cells. Through the blood, they receive both. This explains why there are typically many blood vessels crisscrossing nerve tissue. But what prevents vascular and neuronal cells from colliding as they…

What is Outcrossing?

In genetics, outcrossing refers to the breeding of two individuals that are not closely related or those who come from different populations. This is in contrast to inbreeding that involves breeding individuals that are closely related. In plants, outcrossing can…

What is the P1 generation?

The P1 (or P) generation, or parental generation, refers to the first set of individuals in a genetic cross that are mated to produce offspring. In a classical Mendelian genetics experiment, the P1 generation is usually comprised of two individuals…

What is a Test cross?

A test cross is a genetic cross between an individual with a dominant phenotype (but an unknown genotype) and a homozygous recessive individual. The is to determine the genotype of the dominant individual. The offspring of a testcross is used…