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Genotype controls phenotype because genes direct the production of proteins . Proteins, in turn, dictate virtually every reaction in the cell and thus are directly responsible for observable characteristics.
How do the proteins work to direct phenotype? Some proteins serve structural functions (for example, in the maintenance of cell and/or tissue shape and rigidity) while others are involved in the transport of molecules and communication between cells. A substantial proportion of proteins are enzymes , catalyzing chemical reactions for the synthesis and transformation of virtually all biological molecules. The varying types and quantities of all biological molecules in the cells and tissues of an individual is what ultimately leads to phenotypic variation. For example, slight variation in the activity of an enzyme for pigment synthesis in a plant may result in white flowers rather than red. Likewise, a slight difference in a protein responsible for cell communication during the development of leaf tissue might result in variation of leaf shape.
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Why do chromosomes determine an individuals phenotype?
Chromosomes are made of DNA and protein. DNA is the genetic material that determines the genotype and phenotype of a person. The phenotype is the genes that are expressed and observable. See the related link for further information.
What ultimately determines the phenotype of an individual?
The phenotype of an individual is ultimately determined by a combination of their genetic makeup (genotype) and environmental factors. Genes provide the instructions for building and maintaining an organism, while the environment can influence the expression of these genes. The interaction between genetics and environment shapes the physical and behavioral characteristics that make up an individual's phenotype.
How do you use genotype and phenotype in a sentence?
The genotype of an organism refers to its genetic makeup, while its phenotype relates to its observable traits. For example, a plant with the genotype for tall height may exhibit a phenotype of actually being tall in stature.
What is the best way to determine the phenotype of the feathers on a bird?
The best way to determine the phenotype of a bird's feathers is through visual observation, which includes noting color, pattern, and texture of the feathers. If needed, genetic testing can also be used to determine the underlying genetic basis of the phenotype.
Is the genotype the outward expression of a gene?
NO NO NO!!!!!a genotype refers to the actual makeup of the gene, as in the type of alleleuppercase refer to dominant genes, lowercase refer to recessive genesan expressed gene regardless of whether it is dominant or recessive is expressed in the PHENOTYPE which is the physical traits observable caused by the genotypePhenotype is what your question should be changed to and then your answer will be yes
Why do chromosomes determine an individuals phenotype?
Chromosomes are made of DNA and protein. DNA is the genetic material that determines the genotype and phenotype of a person. The phenotype is the genes that are expressed and observable. See the related link for further information.
Use the word phenotype in a sentence?
(In genetics, the phenotype is when genes combine to determine dominant traits.) "Researchers studied the phenotype of the mutated rats."
What ultimately determines the phenotype of an individual?
The phenotype of an individual is ultimately determined by a combination of their genetic makeup (genotype) and environmental factors. Genes provide the instructions for building and maintaining an organism, while the environment can influence the expression of these genes. The interaction between genetics and environment shapes the physical and behavioral characteristics that make up an individual's phenotype.
How do you use genotype and phenotype in a sentence?
The genotype of an organism refers to its genetic makeup, while its phenotype relates to its observable traits. For example, a plant with the genotype for tall height may exhibit a phenotype of actually being tall in stature.
When multiple genes determinethe phenotype of a trait What is this an example of?
When multiple genes determine the phenotype of a trait, this is an example of polygenic inheritance. In polygenic traits, the combined effects of several genes contribute to the expression of a phenotype, leading to continuous variation in characteristics, such as height or skin color. This contrasts with traits determined by a single gene, which typically exhibit discrete categories.
What is the best way to determine the phenotype of the feathers on a bird?
The best way to determine the phenotype of a bird's feathers is through visual observation, which includes noting color, pattern, and texture of the feathers. If needed, genetic testing can also be used to determine the underlying genetic basis of the phenotype.
Does proteins determine Genes?
No, proteins do not determine genes. Genes are segments of DNA that encode instructions for making proteins. Proteins are the products of gene expression, meaning that genes are responsible for determining the sequence and structure of proteins.
Is the genotype the outward expression of a gene?
NO NO NO!!!!!a genotype refers to the actual makeup of the gene, as in the type of alleleuppercase refer to dominant genes, lowercase refer to recessive genesan expressed gene regardless of whether it is dominant or recessive is expressed in the PHENOTYPE which is the physical traits observable caused by the genotypePhenotype is what your question should be changed to and then your answer will be yes
How do genes make a phenotype?
They are expressed.
How does a gene contribute to the expression of a phenotype?
The combination of genes tell what phenotype will be projected
What an organism looks as a result of its genes is called?
The physical appearance of an organism as determined by its genes is called its phenotype. The phenotype is the observable traits or characteristics of an organism, such as its color, shape, size, and behavior, resulting from the expression of genes.
What is the phenotype for YySs?
The phenotype for YySs would depend on the specific traits controlled by the Y and S genes. Without knowing the specific traits and their dominance or recessiveness, it is not possible to determine the exact phenotype. Each allele (Y and S) will contribute to the overall phenotype in conjunction with any other alleles present at the respective loci.
