What factors affect phenotype?
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 are three environmental factors that can influence plant phenotypes?
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 are some environmental factors that can influence gene expression?
Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.
Which human phenotype is affected by environmental and genetic factors?
Phenotype is the observable physical or biochemical characteristics of an individual organism, determined by both genetic make-up and environmental influences, for example, height, weight and skin colour.
What is difference between genotype and phenotype?
A genotype refers to the genetic characteristics of an organism. A phenotype refers to the physical characteristics.
Is behavior a phenotype?
The term “phenotype” refers to the observable physical properties of an organism; these include the organism’s appearance, development, and behavior.
What are some examples of environmental factors?
An environmental factor, ecological factor or eco factor is any factor, abiotic or biotic, that influences living organisms. Abiotic factors include ambient temperature, amount of sunlight, and pH of the water soil in which an organism lives.
How can the environment influence your genotype?
Genotype generally remains constant from one environment to another, although occasional spontaneous mutations may occur which cause it to change. … These phenotypic variations are attributable to the effect of the environment on the expression and function of genes influencing the trait.
How does environment affect mutation?
They can happen spontaneously when copying errors occur during cell division. Mutations can also be induced by environmental factors, or mutagens. Examples would be exposure to chemicals or radiation. Environmental factors may have an influence on the rate of mutation, but they do not control what the mutation will be.
What are the environmental factors that affect growth and development?
Over the past 100 years, the study of environmental influences on human physical growth and development has focused on the influences of social and economic factors; family and household characteristics; urbanization/modernization; nutrition; and features of the physical environment such as altitude, temperature and …
What are 3 factors that affect epigenetics?
Lifestyle includes different factors such as nutrition, behavior, stress, physical activity, working habits, smoking and alcohol consumption. Environmental and lifestyle factors may influence epigenetic mechanisms.
How do genetics and environment influence development?
Genes, via their influences on morphology and physiology, create a framework within which the environment acts to shape the behavior of an individual animal. The environment can affect morphological and physiological development; in turn behavior develops as a result of that animal’s shape and internal workings.
Can environment change 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.1 мая 2011 г.
How do interactions between genes and the environment affect phenotype?
Explain how interactions between genes and the enviroment can affect phenotype. Environment can impact phenotype, by changing it. For example, if your in sunlight it can affect your hair, skin, and freckles. For example, if you have nutrients it can affect your height, weight, and shape.