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Is it true that a defective allele always recessive and a normal allele always dominant?
No, a defective allele is not always recessive, and a normal allele is not always dominant. The relationship between alleles can be more complex and dependent on specific genetic mechanisms. Dominance and recessiveness are general terms used to describe the relationship between two alleles at a specific gene locus.
What does dominance refer to in genetics?
In genetics, dominance refers to the relationship between alleles, where one allele masks or suppresses the expression of another allele at the same gene locus. The dominant allele's traits are expressed in the phenotype, while the recessive allele's traits are hidden unless two copies are present. This concept is crucial in understanding inheritance patterns and phenotypic variations in organisms.
What is the relationship between dominant and recessive allelse?
Dominant alleles are those that express their traits even when only one copy is present, while recessive alleles require two copies to manifest their traits. In a heterozygous individual (one dominant and one recessive allele), the dominant allele will mask the effect of the recessive allele. This relationship is fundamental in genetics, influencing inheritance patterns and phenotypic traits in organisms.
What is e difference between a dominate and recessive allele?
The answer is that The difference is that dominant dominates, and recessive is dominated.
Is a chromosome a allele?
No, a chromosome is a structure that contains genetic information, while an allele is a specific variant of a gene located on a chromosome. Chromosomes contain many alleles that determine an individual's traits and characteristics.
Is it true that a defective allele always recessive and a normal allele always dominant?
No, a defective allele is not always recessive, and a normal allele is not always dominant. The relationship between alleles can be more complex and dependent on specific genetic mechanisms. Dominance and recessiveness are general terms used to describe the relationship between two alleles at a specific gene locus.
What is the nature of a relationship in which one allele is completely dominant over another in genetic inheritance?
In a relationship where one allele is completely dominant over another in genetic inheritance, the dominant allele will always be expressed in the phenotype, while the recessive allele will only be expressed if both alleles are recessive. This is known as complete dominance.
In one allele is dominant to a recessive allele?
In a dominant-recessive allele relationship, the dominant allele will be expressed phenotypically over the recessive allele. This means that even if an organism carries one dominant and one recessive allele for a particular trait, the dominant allele will determine the observable characteristic.
What is the relationship between allele frequency and genotype frequency in a population?
The allele frequency in a population determines the genotype frequency. Allele frequency refers to how often a particular version of a gene appears in a population, while genotype frequency is the proportion of individuals with a specific genetic makeup. Changes in allele frequency can lead to changes in genotype frequency within a population over time.
What does dominance refer to in genetics?
In genetics, dominance refers to the relationship between alleles, where one allele masks or suppresses the expression of another allele at the same gene locus. The dominant allele's traits are expressed in the phenotype, while the recessive allele's traits are hidden unless two copies are present. This concept is crucial in understanding inheritance patterns and phenotypic variations in organisms.
What is the relationship between dominant and recessive allelse?
Dominant alleles are those that express their traits even when only one copy is present, while recessive alleles require two copies to manifest their traits. In a heterozygous individual (one dominant and one recessive allele), the dominant allele will mask the effect of the recessive allele. This relationship is fundamental in genetics, influencing inheritance patterns and phenotypic traits in organisms.
What is a different between allele and gene?
an allele is a gene that is the cause of hereditary variation
What is e difference between a dominate and recessive allele?
The answer is that The difference is that dominant dominates, and recessive is dominated.
How is codominance different from a dominant and recessive relationship?
In codominance, both alleles in a gene pair are expressed equally, resulting in a blending of traits. This is different from a dominant and recessive relationship, where one allele is dominant and masks the expression of the recessive allele.
Is a chromosome a allele?
No, a chromosome is a structure that contains genetic information, while an allele is a specific variant of a gene located on a chromosome. Chromosomes contain many alleles that determine an individual's traits and characteristics.
What is the relationship between a gene and an allele in genetics?
In genetics, a gene is a specific sequence of DNA that determines a particular trait. An allele is a variant form of a gene that can result in different expressions of that trait. Genes can have multiple alleles, which contribute to genetic diversity and variation in traits among individuals.
Which sentence correctly describes the relationship between genes and alleles?
She inherited brown eyes, a dominant allele in both her parents.
