Q:

What does "genotype" mean?

A:

The meaning of "genotype" is the internal genetic makeup of an organism or cell. The genetic makeup of an organism determines its physical characteristics and predicts the physical characteristics of its progeny.

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The term "genotype" is typically used in reference to a specific characteristic. Essentially, genotype refers to all of the genes that an organism carries, regardless of whether those genes are expressed. Organisms that reproduce sexually typically have two copies of a specific gene. In some cases, a gene can be recessive to another counterpart gene, which means that if the counterpart gene is present, it is expressed in lieu of the recessive gene. Therefore, it is possible for an organism to carry a recessive gene without expressing it, and although the gene is not physically apparent, it can be passed onto future progeny. The organism is said to have a recessive trait.

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  • Q:

    What is the difference between genotype and phenotype?

    A:

    An organism's genotype is the entire set of genes that it carries in its genome, and its phenotype is the observable effect of those genes on the body and behavior of the organism. Biologists draw a distinction between genotypes and phenotypes to clarify the difference between an organism's genetic heritage and the effects that its combination of genes has.

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  • Q:

    Why do living things need nitrogen?

    A:

    Living things need nitrogen to produce amino acids that allow the organism to live and grow. These amino acids are used to make proteins that build tissues and organs and regulate cellular function.

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    What type of organism makes its own food?

    A:

    An autotroph is an organism that makes its own food. An autotroph produces its own food via converting simple inorganic molecules into complex organic compounds. These complex organic compounds include proteins, fats and carbohydrates.

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    What is behavioral adaptation?

    A:

    Behavioral adaptation is the process by which an organism or a species changes its pattern of action to better suit its environment. It is contrasted with structural adaptation, which is the appearance of physical features that confer an advantage upon a species.

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