Quick Answer: What is the difference between gene and allele Class 12?

Gene is defined as a section of DNA that encodes for a certain trait. An allele is defined as a variant form of a gene. It determines an organism’s genotype. It determines an organism’s phenotype.

What is the difference between gene and allele?

A gene is a unit of hereditary information. The short answer is that an allele is a variant form of a gene. … Explained in greater detail, each gene resides at a specific locus (location on a chromosome) in two copies, one copy of the gene inherited from each parent.

What is an allele Class 12?

An allele is an alternative form of a gene. It is located at a specific position on a specific chromosome. These can be passed on from parents to offspring through sexual reproduction.

What is difference between allele and trait?

A piece of DNA that contains information to determine a particular character is called a gene. … The main difference between allele and trait is that an allele is an alternative form of a particular gene whereas a trait is the character that is determined by the allele.

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What is the difference between allele and genotype?

Different forms of a gene are called alleles. … Individuals who have two copies of the same allele are said to be homozygous at that locus. Individuals who receive different alleles from each parent are said to be heterozygous at that locus. The alleles an individual has at a locus is called a genotype.

What is difference between gene and chromosome?

Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person’s genes. Genes are contained in chromosomes, which are in the cell nucleus.

What is the difference between allele and locus?

Alleles are variants of the same gene that occur on the same place on a chromosome. … A locus refers to the location on the chromosome where the gene is found. Loci is the plural form of locus.

What is in a gene?

Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins. In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases.

What is allele example?

The definition of alleles are pairs or series of genes on a chromosome that determine the hereditary characteristics. An example of an allele is the gene that determines hair color. … Any of the alternative forms of a gene or other homologous DNA sequence.

What do you mean by allele?

An allele is a variant form of a gene. … Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent. Each pair of alleles represents the genotype of a specific gene.

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What is difference between gene and character?

Every human, carry two copies of each gene. It is known as an Allele. One allele is carried out from each parent.

Difference Between Gene And Allele.

Character Gene Allele
Determines It determines an organism’s genotype. It determines an organism’s phenotype.

What is the difference between a gene and an allele select the best answer?

Different versions of the same gene are called alleles. Genes can have two or more possible alleles. Individual humans have two alleles, or versions, of every gene.

What is the difference between allele and genotype frequency?

Allele or gene frequency is a measure of the relative frequency of an allele on a genetic locus in a population. Genotypic frequency is the proportion of a particular genotype amongst all the individuals in a population.

What is the difference between a genotype and a phenotype?

The genotype is a set of genes in the DNA which are responsible for the unique trait or characteristics. Whereas the phenotype is the physical appearance or characteristic of the organism. … Such traits are hair color or type, eye color body shape, and height, and many such more.