explain why flowering time is an example of continuous variation

What is an example of continuous variation?

Height is an example of continuous variation - individuals can have a complete range of heights, for example, 1.6, 1.61, 1.62, 1.625 etc metres high. Continuous variation is the combined effect of many genes (known as polygenic inheritance) and is often significantly affected by environmental influences.

What is the cause of continuous variation?

Two reasons for continuous variation: ... Differences in external environmental conditions also produce continuous variation. In nature, each character will be influenced by many environmental variables, some tending to increase it, others to decrease it.

What are the examples of continuous and discontinuous variation?

Examples of continuous variation include things like a person's height and weight. Examples of discontinuous variation include a person's blood group or the color of a species of bird. These variations can exist for two major reasons.

IS fingerprint a continuous or discontinuous variation?

Your height, weight, finger length and so on, would have changed throughout your life (continuous), but your blood type, earwax type, fingerprints and sex, do not (discontinuous). Like in most examples of discontinuous variation, earwax type is controlled by a single gene with two alleles.

What is meant by continuous variation?

continuous variation. Variation within a population in which a graded series of intermediate phenotypes falls between the extremes. Height in human beings, for example, exists in continuous variation.

What are the 2 types of variation?

There are two forms of variation: continuous and discontinuous variation.

Is eye Colour an example of continuous variation?

Which are examples of discontinuous variation? Discontinuous: Eye colour, handedness & lobed/lobeless ears. Continuous: Hand span, arm length & height.

Is Skin Colour continuous variation?

And clearly hair color, skin color and eye color all fall under the definition of a continuous trait, because even though they dont seem to be affected by the environment, they are definitely polygenic traits and show a gradation, so they're definitely continuous traits.

What are the causes of variation?

Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

How do you know if a graph is continuous or discontinuous?

A function being continuous at a point means that the two-sided limit at that point exists and is equal to the function's value. Point/removable discontinuity is when the two-sided limit exists, but isn't equal to the function's value.

How can you tell the difference between continuous and discontinuous variation?

The main difference between continuous and discontinuous variation is that continuous variation shows an unbroken range of phenotypes of a particular character in the population whereas discontinuous variation shows two or more separate forms of a character in the population.

What are the three types of genetic variation?

For a given population, there are three sources of variation: mutation, recombination, and immigration of genes.

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