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How many DNA are there in a gene?
A gene is made up of one continuous strand of DNA, which contains the instructions for producing a specific protein. Each gene contains a unique sequence of nucleotides that encode the information needed for protein synthesis.
What protein does the eye color gene encode?
The eye color gene encodes for a protein called OCA2 (P gene), which helps determine the amount of melanin produced in the iris. Melanin is responsible for the color of the eyes, with more melanin resulting in darker eye color.
What is the difference between a cistron and a gene?
A cistron is a segment of DNA that encodes a single polypeptide chain, while a gene encompasses all the functional elements involved in the expression of a specific trait. In simpler terms, a cistron is a part of a gene that codes for a protein.
How does different alleles lead to different characteristics?
Different alleles result in different characteristics because they encode slightly different versions of a gene, leading to variations in the protein produced. These variations can affect the function or expression of the gene, ultimately influencing the traits or characteristics of an organism.
Which parts of a gene are expressed as protein?
Coding sequences of a gene are expressed as protein
What protein does the eye color gene encode?
The eye color gene encodes for a protein called OCA2, which plays a role in determining the color of the eyes.
Section of DNA within a gene that do not encode part of the protein that the gene produces are called?
Introns (the stuff between the exons), and UTR (Untranslated region, the stuff before the start codon, and after the stop codon).
What is the portion of the DNA molecule that contains the information for making 1 protein?
The portion of the DNA molecule that contains the information for making one protein is called a gene. Genes are specific sequences of DNA that encode instructions for creating a specific protein. The process of making a protein from a gene involves transcription of the gene into messenger RNA (mRNA) and translation of the mRNA into the corresponding protein by ribosomes.
How many DNA are there in a gene?
A gene is made up of one continuous strand of DNA, which contains the instructions for producing a specific protein. Each gene contains a unique sequence of nucleotides that encode the information needed for protein synthesis.
What protein does the eye color gene encode?
The eye color gene encodes for a protein called OCA2 (P gene), which helps determine the amount of melanin produced in the iris. Melanin is responsible for the color of the eyes, with more melanin resulting in darker eye color.
What usually is a set of instructions for making a particular protein?
A set of instructions for making a particular protein is called a gene. Genes are made up of DNA sequences that encode the specific sequence of amino acids that make up a protein. These instructions are transcribed from DNA to mRNA and then translated into a protein by ribosomes.
What do genes encode?
Genes encode the instructions for building proteins, which are the primary functional molecules in cells. These proteins determine the structure and function of cells, tissues, and organs in an organism. Additionally, genes also regulate gene expression, cell processes, and overall development.
What are ncRNAs and how do they differ from RNAs that encode proteins?
Non-coding RNAs (ncRNAs) are a type of RNA molecule that do not encode proteins. They play various regulatory roles in the cell, such as controlling gene expression. In contrast, RNAs that encode proteins are called messenger RNAs (mRNAs) and carry the genetic information needed to produce proteins. The main difference between ncRNAs and protein-coding RNAs is their function - ncRNAs regulate gene expression without producing proteins, while protein-coding RNAs are translated into proteins.
What is the difference between a cistron and a gene?
A cistron is a segment of DNA that encodes a single polypeptide chain, while a gene encompasses all the functional elements involved in the expression of a specific trait. In simpler terms, a cistron is a part of a gene that codes for a protein.
What are the key differences between protein and gene nomenclature?
Protein nomenclature refers to the naming of proteins based on their function or structure, while gene nomenclature involves naming genes based on their location on a chromosome or their function in the genome. Proteins are the end products of gene expression, and their names often reflect their specific roles in the body. Genes, on the other hand, are the units of heredity that code for proteins, and their names are usually based on their function or the specific protein they encode.
How does different alleles lead to different characteristics?
Different alleles result in different characteristics because they encode slightly different versions of a gene, leading to variations in the protein produced. These variations can affect the function or expression of the gene, ultimately influencing the traits or characteristics of an organism.
What codes for protein in the process of gene expression?
In the process of gene expression, the gene codes for protein.
