Basics
DNA Replication
When a cell divides, it is important that each daughter cell receives an identical copy of the DNA. This…
July 12, 2021 · Rajil TLLatest articles
Basics
The Structure of RNA
There is a second nucleic acid in all cells called ribonucleic acid, or RNA. Like DNA, RNA is…
July 12, 2021 · Rajil TLBasics
Introduction to Molecular Biology
Figure 9.1 Dolly the sheep was the first cloned mammal. Photo shows Dolly the sheep, which has been…
July 12, 2021 · Rajil TLBasics
Epistasis
Mendel’s studies in pea plants implied that the sum of an individual’s phenotype was controlled by genes (or…
July 12, 2021 · Rajil TLBasics
Linked Genes Violate the Law of Independent Assortment
Although all of Mendel’s pea plant characteristics behaved according to the law of independent assortment, we now know…
July 12, 2021 · Rajil TLBasics
Sex-Linked Traits
In humans, as well as in many other animals and some plants, the sex of the individual is…
July 12, 2021 · Rajil TL
Basics
Multiple Alleles
Mendel implied that only two alleles, one dominant and one recessive, could exist for a given gene. We…
July 12, 2021 · Rajil TL
Basics
Extensions of the Laws of Inheritance
Mendel studied traits with only one mode of inheritance in pea plants. The inheritance of the traits he…
July 12, 2021 · Rajil TLBasics
Law of Independent Assortment
Mendel’s law of independent assortment states that genes do not influence each other with regard to the sorting of…
July 12, 2021 · Rajil TL
Basics
Law of Segregation
Observing that true-breeding pea plants with contrasting traits gave rise to F1 generations that all expressed the dominant trait…
July 12, 2021 · Rajil TL