Offsprings receive genetic data from parents. As a result, differences between entities will accumulate allowing species to adapt hence the evolution by selection.
Father sperms and mother's egg fuse to form a zygote. It involves genetic data from both parents. Traits might be hair colour, eye colour, intellect, skin complexion, height, something. In evolution, genetics is the study of heredity. Inheritance is the transition of genetic information from parent to child. Information is passed on by the DNA deoxyribonucleic acid found in the sex cells in the form of chemical codes.
The value of chromosomal variability is descent. To change or withdraw your consent choices for VerywellHealth. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page. These choices will be signaled globally to our partners and will not affect browsing data. We and our partners process data to: Actively scan device characteristics for identification. I Accept Show Purposes. Table of Contents View All. Table of Contents. The Genetic Theory of Aging. Genetic vs.
Was this page helpful? Thanks for your feedback! Sign Up. What are your concerns? Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy. What is a gene? The genotype is a description of the unique genetic makeup of an individual. It can be used to describe an entire genome or just an individual gene and its alleles.
The genotype of an individual influences their phenotype. For example, if we are talking about the genotype for eye colour we may say an individual has one brown eye allele B and one blue eye allele b. As a result, the individuals phenotype will be brown eyes. This is because the allele for brown eyes is dominant , while the allele for blue eyes is recessive see image below. Related Content:.
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