What is the relationship between the environment and phenotype give an example?
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What is the relationship between the environment and phenotype give an example?
Effects of Environment on Phenotype. Genes play an important part in influencing phenotype, but genes are not the only influence. Environmental conditions, such as temperature and availability of nutrients can affect phenotypes. For example, temperature affects coat color in Siamese cats.
What is the interaction between genotype and environment?
Genotype by environment (G × E) interaction refers to the difference in the response of genotypes to different environments (Falconer and Mackay, 1996). There are two main forms of G × E interaction, due to scaling or re-ranking effects.
How does environment influence the genotype and phenotype of an individual?
Environmental factors that play a role include how dry your mouth is or how recently you have eaten. The degree to which your phenotype is determined by your genotype is referred to as ‘phenotypic plasticity’. If environmental factors have a strong influence, the phenotypic plasticity is high.
What is the relationship between genetics and environment?
Subtle differences in one person’s genes can cause them to respond differently to the same environmental exposure as another person. As a result, some people may develop a disease after being exposed to something in the environment while others may not.
Which is an example of the relationship between environmental factors and gene expression?
The presence of drugs or chemicals in an organism’s environment can also influence gene expression in the organism. Cyclops fish are a dramatic example of the way in which an environmental chemical can affect development.
Are environmental factors more likely to affect genotype or phenotype?
C- Genotype refers to the gene alleles that one has, and phenotype refers to the trait that is expressed in response to those alleles. Are environmental factors more likely to affect genotype or phenotype? A- Environmental factors can’t affect either one.
Why the interaction of genotype and environment important in the performance of a crop?
Genotype × environment interaction effect complicates the selection of suitable varieties by breeders because elite varieties developed for one location may not perform the same in different locations. In some cases, the quality of fruits of tomatoes is significantly influenced by genotype by environment interaction.
What is the relationship between the environment and phenotype quizlet?
What is the relationship between the environment and phenotype? Environmental conditions can affect gene expression and influence genetically determined traits. Therefore the phenotype is affected by its genes as well as its environment.
How does the environment and genetics work together to determine human characteristics?
These interactions influence the expression of phenotypes. For example, most human traits and diseases are influenced by how one or more genes interact in complex ways with environmental factors, such as chemicals in the air or water, nutrition, ultraviolet radiation from the sun and social context.
How does the environment affect our genes?
Positive experiences, such as exposure to rich learning opportunities, and negative influences, such as malnutrition or environmental toxins, can change the chemistry that encodes genes in brain cells — a change that can be temporary or permanent. This process is called epigenetic modification.
Can genotype be influenced by the environment?
Genotype generally remains constant from one environment to another, although occasional spontaneous mutations may occur which cause it to change. However, when the same genotype is subjected to different environments, it can produce a wide range of phenotypes.
What is an environmental trigger give an example?
Explore both general and person-specific triggers. Some common triggers include dust mites and mold, pets, strong odors, cockroaches, cigarette and cigar smoke, viral or sinus infections, emotions, weather changes, pollution, and exercise. (See “Examples of Triggers” for a more extensive list.)
How do genes and the social environment relate to one another?
How do genes and the social environment relate to one another? Genes may exist for a certain trait but how that trait is expressed depends on the social environment. What perspective examines how age, time, and place shape social identities? emerging adulthood.
How do environmental factors affect genes?
Environmentally induced changes in gene expression occur when exposure to chemicals changes which genes are turned “on” or “off”—which can change how the cells function and thus a person’s predisposition to disease. The effect of this chemical modification is called epigenetic regulation.
How does the environment play a role in gene expression?
What is meant by genotype environment phenotype?
Often it is assumed that the phenotype is the sum of the genotype and the environment . The phenotype can also be seen as the interaction between genetics and environmental factors, some genotypes are better in one environment and others are better in another environment .
How can the environment affect genetic traits?
Sometimes the environment changes a gene—either its DNA sequence or its activity level. Either of these effects can change the proteins that are made from a gene, which in turn affects traits. Some harmful environmental factors can change a gene’s nucleotide sequence. For example, UV radiation can break DNA strands.
How can the environment affect phenotype?
Environment Can Impact Phenotype Environmental factors such as diet, temperature, oxygen levels, humidity, light cycles, and the presence of mutagens can all impact which of an animal’s genes are expressed, which ultimately affects the animal’s phenotype.
How does environment affect phenotype?