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Answered 2011-11-29 01:51:41

meiosis... for example.. crossing over

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Species in a population are varied because of the variation in DNA and genetic code; the environment causes these variations of DNA in order for the species to survive

Anaphase 1 - the crossing over of chromosomes, they swap genetic material determining what you genetically inherit

Yes, there will always be mutations.However, with sexual reproduction, there is a tendency for greater genetic variations.

variations of features passed on to offspring from their parents

Genetic Disorders are caused By a change in a person's DNA. Recessive alleles is the most human genetic disorder.

Reduces genetic diversity and causes trophic cascade.

They create genetic variations.

They come from genetic mutations in the organisms.

The two ways that genetic variations may occur are:Mutations in DNA2. Rearrangement of genes during meiosis

mutations increase the amount of genetic variation in a population.

Genetic recombinations of DNA cause variations of genetic traits .

reptile, mammal, amphibian, bird

In both genetic,material is changed

A mutation creates new genetic variations and possibly new alleles.

Yes, humans and bacteria share a common genetic code. The genetic code, genetic language, allows bacteria to affect many internal systems found in humans.

Some genetic disorders are caused by mutations in the DNA of genes. Other disorders are caused by changes in the overall structure or number of chromosomes

the genetic coding of humans is different. thats why chimpanzee is different from humans. as simple as that.

The causes of genetic disorders areThey can be inherited through Parents;Mutations may occur;A deletion may occur.These are the causes of a genetic disorder.

there are two things that cause variations, the environment and inheritance.

Natural selection (the driving force of evolution) is the selection of genetic variations by how they effect the organism's chances of survival or reproduction. If they diminish it's chances, the organism or it's immediate offspring die and the gene is gone. If the genetic variations increase it's chances, then it survives. Without genetic variations there can be no evolution. Natural selection is the selection (by environmental pressures) of those variations.

Genetic variations observed in phenotype can be used to produce plants or animals that either have that characteristic, or if it is an undesireable trait the individuals that have it can be culled from the reproductive population.

Because the offspring have genetic material from both parents

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