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When does genetic variation occur?
Genetic variation occurs during the processes of meiosis and sexual reproduction when genetic material is shuffled and recombined, leading to unique combinations of genes in offspring. Mutations and genetic recombination also contribute to genetic variation by introducing new alleles and gene combinations into populations.
Why does recombination between linked genes continued to occur?
Recombination between linked genes can still occur because crossing over during meiosis allows for exchange of genetic material between homologous chromosomes. This process promotes genetic diversity by creating new combinations of alleles that can be inherited independently of each other. Additionally, the frequency of recombination between linked genes can be influenced by factors such as chromosomal structure and distance between the genes.
New inherited characteristics may appear in offspring as a result of new combinations of existing genes or may result from mutations in genes comtained in cells produced by structure?
That's correct! New inherited characteristics in offspring can result from new combinations of existing genes during meiosis, leading to genetic variation. Mutations in genes can also occur, creating new genetic traits that can be passed down to future generations.
What is organic modifier?
GMOs are plants or animals that have been genetically engineered with DNA from bacteria, viruses or other plants and animals. These experimental combinations of genes do not occur in nature.
What is new gene combinations?
when genes cross over during meiosis, then split they from genes that differ.
What combinations of genes could tall pea plants have?
two tall genes or one tall gene and one short gene
New heritable characteristics can result from?
mutations of genes in an organism's sex cells & new combinations of existing genes during sexual reproduction.
Why does replication have to occur?
So that the genes can be passed on.
How does chance affect combinations of genes?
genetic drift is the change in genes due solely to chance.bottleneck effect and founder's effect are both examples of how chance effects the genes.
In bacteria genes occur as?
unbroken stretches of proteins.
What characterizes the independent assortment of genes into gametes?
The independent assortment of genes into gametes is characterized by the random distribution of different genes during the formation of reproductive cells. This process results in a variety of genetic combinations in offspring.
Combinations of alleles are know as a genotype?
Genotype is the set of all genes present in the nucleus of a somatic cell. Alleles are segments of DNA containing multiple genes
