What is responsible for an organism’s phenotype?

An organism’s phenotype is determined by its genotype, which is the set of genes the organism carries, as well as by environmental influences upon these genes. … Phenotypes also include observable characteristics that can be measured in the laboratory, such as levels of hormones or blood cells.

What causes the phenotype of an organism?

An organism’s phenotype results from two basic factors: the expression of an organism’s genetic code, or its genotype, and the influence of environmental factors. Both factors may interact, further affecting phenotype.

What is responsible for a person’s phenotype?

A phenotype is an individual’s observable traits, such as height, eye color, and blood type. The genetic contribution to the phenotype is called the genotype. Some traits are largely determined by the genotype, while other traits are largely determined by environmental factors.

Are genes responsible for phenotype?

Most traits are affected by many genes, and most genes are involved in the development of multiple traits. … The collection of all observable and measurable traits of that individual is phenotype.

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What causes phenotype genotype?

Genotype and phenotype describe aspects of the discipline of genetics, which is the science of heredity, genes and variation in organisms. … DNA, or deoxyribonucleic acid, is responsible for genotype and partially responsible, along with the environment, for phenotype.

How is DNA responsible for phenotypes?

Gene. A segment of a DNA molecule (a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual.

What is phenotypic expression?

Phenotypic expression is the result of a complex interplay between an organism’s genes and its environment. During growth and development, organisms undergo a programmed series of phenotypic changes. … The ability to vary phenotypic expression in response to environmental conditions is known as “phenotypic plasticity.”

What is phenotype in anthropology?

phenotype, all the observable characteristics of an organism that result from the interaction of its genotype (total genetic inheritance) with the environment.

What are the two main factors that determine an organism’s traits?

To summarize, two things determine the traits an organism has: its genotype and the dominance or recessiveness of the alleles it has. Some traits, like flower color in peas, are controlled by a single gene, but ultimately many if not most traits in an organism are controlled by more than one gene.

Is an organism’s phenotype is only made up of genes and alleles?

Within an individual organism, the specific combination of alleles for a gene is known as the genotype of the organism, and (as mentioned above) the physical trait associated with that genotype is called the phenotype of the organism.

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What type of molecule causes the phenotype?

The proteins are directly responsible for the phenotype of an organism.

What determines or contributes to your phenotype quizlet?

your genotype is what makes your phenotype. your base sequence of a gene is what determines your allele- dominant or recessive, your two alleles determine ypur genotype, your genotype determines your phenotype. an organism’s genotype determines theor phenotype, because the genotype has the genes.

How does your genotype code for your phenotype?

Definitions: phenotype is the constellation of observable traits; genotype is the genetic endowment of the individual. Phenotype = genotype + development (in a given environment).

Is the phenotype of an organism is entirely dictated by the genotype?

In directional selection, there is a change in environmental conditions that favours an extreme phenotype. This means individuals with an extreme phenotype have a selective advantage (e.g. the black peppered moth). … “The phenotype of an organism is entirely dictated by the genotype.”

What do you mean by phenotype and genotype?

Introduction to Genotypes and Phenotypes

The genotype definition is a set of genes in DNA that determines the unique traits possessed by a living organism while the phenotype is the physical appearance of an organism.