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What is polygeny?
Inheritance in which more than one gene pair affects the appearance of a particular trait. Polygenetic inheritance refers to the non-Mendelian form of inheritance in which a particular trait is produced by the interaction of many genes.
Why is a control group necessary in a scientific investagation?
A control group is needed to see how the sample responds under normal conditions
Why is a control group necessary in the scientific experiment?
Without the control group, the test is not able to measure the difference with a standard condition
What is epigenetics the study of?
An [all-but] unimaginable number of gene-expression control factors are constantly impinging upon and affecting the expression(s) of each and every one of the genes in our Chromosomes. The vast majority of these factors originate in both the nucleus and the cytoplasm. This is all called genetics. Yet when control factors that originate from outside of the Cell migrate to the nucleus and affect gene expression, this is the new study Epigenetics. We have a fabulous example. Experimenters observed two groups of mice: those that got attention from their parents and those that did not and the phenotypes from the two groups were different. No surprise, in some instances these immediate, local changes are heritable.
Why is a control set in a experiment so important?
When performing an experiment it is very important to have a control set. It is important to have a control set because it ensures that the experiment can be repeated as many times as necessary.
Can prokaryotic Cells control the expression of their genes?
Yes.
What is it called when sections of chromosomes control genes?
regulation of gene expression
What are genes and what role do they play?
Genes control the expression of (genetic) traits and are responsible for determining the inherited characters, they are therefore called units of inheritance.
How prokaryotes control gene expression?
The operon often controls the transcription of prokaryote genes.
Can sometimes influence expression of genes?
what can somtimes influence expression of genes
What name is given to genes that are in control?
Genes that are in control of other genes or biological processes are often referred to as "regulatory genes." These genes play a crucial role in regulating gene expression, determining when and how much other genes are activated or suppressed. They can include transcription factors and other elements that influence cellular function and development.
What is the term that biologists use for trait-controllers?
Biologists use the term "regulator genes" for trait-controllers. These genes control the activity of other genes, influencing the development and expression of specific traits in an organism.
The stuff of the genes?
Genes are made up of DNA, which carries the instructions for building and maintaining an organism's cells and tissues. They determine an organism's traits and characteristics through the expression of specific proteins. Gene expression is regulated by various mechanisms that control when and where specific genes are turned on or off.
How genes control cell function?
Genes control cell function by providing the instructions for making proteins, which are essential for various cellular processes. Gene expression is regulated by complex mechanisms that turn genes on or off in response to internal and external signals, influencing cell behavior and function. Changes in gene expression can lead to disease or abnormalities in cellular processes.
What is a control gene in DNA?
A control gene, often referred to as a regulatory gene, is a segment of DNA that helps regulate the expression of other genes. It produces RNA or proteins that can activate or inhibit the transcription of target genes, thus influencing various biological processes. Control genes play a crucial role in cellular functions, development, and responses to environmental changes. They are essential for maintaining proper gene expression patterns and overall cellular homeostasis.
What is donor control in biology?
Donor control in biology refers to the phenomenon where genetic material from one organism is used to control the expression of genes in another organism. This can happen, for example, in genetic engineering when genes from one organism are inserted into another to produce a desired trait.
What mechanisms are used to coordinately control the expression of multiple related gebes in eukaryoutic cells?
Eukaryotic cells use transcription factors, which are proteins that bind to specific DNA sequences, to coordinately control the expression of multiple related genes. These transcription factors can either activate or repress the expression of multiple genes at once through binding to common regulatory sequences, such as enhancers or silencers. Additionally, chromatin structure and modifications play a crucial role in regulating the accessibility of DNA to transcription factors and the transcription machinery.
