The two extreme variations in a are trait are favored in disruptive selection.
disruptive selection.
The individuals with extreme variations of a trait.
The different ways that a trait appears are called variations or manifestations of that trait. These variations can be influenced by genetic factors, environmental factors, or a combination of both.
Two different variations of a trait can arise due to genetic inheritance from both parents, where each parent contributes one version of the gene. Additionally, mutations can occur in the gene that leads to different variations of the trait. These variations can provide diversity within a population and may be beneficial in evolving to changing environments.
No. You are describing what is called Lamarckism. Different traits are the results of the alleles found in genes. The environment does push one trait over another if the environment becomes extreme. You will see many traits in a population (such as in a human population) but one is not favored unless that trait allows those that have it to do better.
Multiple alleles can provide many different phenotypes for a trait because each allele can code for a different version of a trait, leading to a wide range of possible combinations and variations in the expression of that trait.
Yes, that is correct. Each trait is controlled by genes, and genes exist in different forms called alleles. For any given trait, an individual can have two alleles—one inherited from their mother and one from their father. These alleles can have different variations, resulting in different expression of the trait.
Variations
Disruptive selection is a type of natural selection that favors extreme traits over the average trait, leading to the divergence of characteristics within a population. This process can result in the formation of two distinct phenotypic groups with reduced variation between them.
Different versions of the same gene are called
All organisms are variations and some of these variations confer survivability and reproductive success on the organism that processes the variant traits and the progeny of this organism and all against the immediate environment. Natural selection is just the immediate environment that selects these favored organisms over their conspecifics and then the progeny of these favored organisms leave greater allele frequencies of these favored traits in the populations gene pool and these trait grow to majority ststus as the adaption now seen in the population.
Different forms of the same trait, known as variations, can include things like eye color (blue, brown, green), hair texture (straight, curly, wavy), and blood type (A, B, AB, O). These variations are a result of genetic differences among individuals.