Sex chromosomes.
Genes.
New alleles.
Mitosis.
Cells from a male and female that may result in an offspring.
Genome.
Mitosis.
Chromosomes.
Gene duplication or gene mutation.
Meiosis.
Offspring.
Stem cells.
Metaphase.
Having two copies of the mutated genes cause sickle cell anemia, but having just one copy does not, and can actually protect against malaria - an example of how mutations are sometimes beneficial.
The majority of mutations have neither negative nor positive effects on the organism in which they occur. These mutations are called neutral mutations. Examples include silent point mutations. They are neutral because they do not change the amino acids in the proteins they encode.
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Veins carry blood from the body to the heart.
Arteries carry blood from the heart to the body.
Your answer is: arteries
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The answer is; A gopher snake occupies a burrow made by the desert rat
Commensalism involves a relationship between two organisms where one benefits while the other is unaffected. In this case, the gopher snake gets from the burrow made by the desert sake. The desert rat is unaffected (does not benefit or lose) by this action by the snake.
The answer is, "B", "Developing country".