what is the definition of a recessive trait
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RECESSIVE TRAIT a trait that is expressed in an organism if it's determinate allele is carried on both members of homologours pair of chromosomes. RECESSIVE TRAIT: The recessive trait showed up in two of the trhee children..
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Autosomal recessive: cystic fibrosis (CF), sickle cell anemia (SC), Tay Sachs disease Autosomal recessive inheritance means that the gene is located on one of the autosomes (chromosome pairs 1 through 22). This means that males and females are equally affected.Recessive means that two copies of the gene are necessary to have the trait, one inherited from the mother, and one from the father.utosomal recessive inheritance means that the gene is located on one of the autosomes (chromosome pairs 1 through 22). This means that males and females are equally affected.
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Recessive (genetics) Of, or pertaining to, a gene (or allele) whose phenotypic expression is masked by a dominant gene (or allele). noun. (1) A recessive allele or trait. (2) An organism whose recessive trait is discernible or expressed.Supplement. In genetics, a recessive gene or allele is one in which the effect is not tangible, or is masked by the effects of the dominant gene.The recessive trait may be expressed when the recessive genes are in homozygous condition or when the dominant gene is not present.That happens when an organism inherits a pair of recessive genes from its parents. Word origin: Latin recess(us) , a withdrawal, receding part + - ive.he recessive trait may be expressed when the recessive genes are in homozygous condition or when the dominant gene is not present. That happens when an organism inherits a pair of recessive genes from its parents. Word origin: Latin recess(us) , a withdrawal, receding part + - ive.
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inheritance X-linked recessive inheritance-hereditary pattern in which a recessive gene on the X chromosome results in the manifestation of characteristics in male offspring and a carrier state in female offspring. genetic science, genetics-the branch of biology that studies heredity and variation in organisms.. a. The action of inheriting something: the inheritance of property from a relative. b. Something inherited or to be inherited: Her inheritance included a large estate. 2. Something regarded as a heritage: the cultural inheritance of Rome.
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Understanding Poverty in the United States: Surprising Facts About America's Poor The Census Bureau’s annual poverty report presents a misleading picture of poverty in the United States. Few of the 46.2 million people identified by the Census Bureau as being “in poverty” are what most Americans would consider poor—lacking nutritious food, adequate warm housing, or clothing.
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Autosomal recessive: cystic fibrosis (CF), sickle cell anemia (SC), Tay Sachs disease Autosomal recessive inheritance means that the gene is located on one of the autosomes (chromosome pairs 1 through 22). This means that males and females are equally affected. Recessive means that two copies of the gene are necessary to have the trait, one inherited from the mother, and one from the father.
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Recessive trait Recessive trait. An inherited trait that is outwardly obvious only when two copies of the gene for that trait are present—as opposed to a dominant trait where one copy of the gene for the dominant trait is sufficient to display the trait.n inherited trait that is outwardly obvious only when two copies of the gene for that trait are present—as opposed to a dominant trait where one copy of the gene for the dominant trait is sufficient to display the trait.
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recessive 2. Genetics. a. pertaining to the allele of a gene pair whose effect is masked by the second allele when both are present in the same cell or organism. b. of or pertaining to the hereditary trait determined by such an allele. 3. Genetics. Compare dominant (def. 6). a. the recessive allele of a gene pair.
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Genetics Terms The characteristic that occurs when its presence determines the phenotype only when both alleles are the same. In a heterozygous individual, the effect of a recessive allele is hidden. For example, if T and t are two alleles of a gene, t is recessive if Tt individuals are phenotypically different to tt individuals. Or, to put it another way, a phenotype is recessive when it is only present in a homozygous individual.
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Recessive Trait: Definition & Example A recessive trait is the phenotype that is seen only when a homozygous recessive genotype for the trait of interest is present. This means that an individual must have two recessive alleles for the gene that determines this trait of interest.emember, individuals must have two alleles for a gene, so someone could be homozygous dominant (EE), homozygous recessive (ee), or heterozygous (Ee). In this example, the recessive trait is having attached earlobes and is only seen in someone with the genotype ee (homozygous recessive).
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What is a Recessive Trait? A recessive trait is a trait caused by a recessive gene, which means that someone must inherit two copies of the gene for the trait to manifest. By contrast, a dominant trait only requires one copy of the gene.The concept of dominant and recessive traits in genetics was put forward by Gregor Mendel, a 19th century scientist who is often regarded as the father of genetics, thanks to his extensive work in the field.regor Mendel, the father of genetics, first proposed the concept of dominant and recessive traits. The gene responsible for blue eyes is recessive. Blonde hair color is recessive, but it can be passed on in the absence of a dominant trait. Red hair is a recessive trait.
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ALLELE • RECESSIVE (noun). The noun RECESSIVE has 1 sense: 1. an allele that produces its characteristic phenotype only when its paired allele is identical. Familiarity information: RECESSIVE used as a noun is very rare. RECESSIVE (noun). The noun RECESSIVE has 1 sense: 1. an allele that produces its characteristic phenotype only when its paired allele is identical. Familiarity information: RECESSIVE used as a noun is very rare.
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Recessive Gene Recessive Gene. A recessive gene is a gene that is not dominant but only manifests when a gene of both parents is the same, i.e., homozygous (where both genes are the same as in two genes for blue eyes).hen there is both a dominant gene (brown eyes) and a recessive gene (blue eyes) in an allele (heterozygous), then the dominate gene manifests.
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RECESSIVE ALLELE • RECESSIVE ALLELE (noun). The noun RECESSIVE ALLELE has 1 sense: 1. an allele that produces its characteristic phenotype only when its paired allele is identical. Familiarity information: RECESSIVE ALLELE used as a noun is very rare.
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- Definition. (genetics). (1) (Of, or pertaining to) An allele or a gene that is expressed in an organism ’s phenotype, masking the effect of the recessive allele or gene when present.(2) (Of, or pertaining to) An organism that expresses the dominant gene (or allele).(ecology) (Of, or pertaining to) An organism or group of organisms having the most considerable influence or control in its ecological community among other organism.1) (Of, or pertaining to) An allele or a gene that is expressed in an organism ’s phenotype, masking the effect of the recessive allele or gene when present.
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- Definition of Recessive. Recessive: A condition that appears only in individuals who have received two copies of a mutant gene, one copy from each parent.The individuals with a double dose of the mutated gene are called homozygotes.here are two types of recessive diseases -- autosomal recessive and X-linked recessive -- that describe different patterns of inheritance. The opposite of recessive is dominant. See also Autosomal recessive; Dominant; and X-linked recessive.
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recessive 2. Genetics. a. pertaining to the allele of a gene pair whose effect is masked by the second allele when both are present in the same cell or organism. b. of or pertaining to the hereditary trait determined by such an allele. 3. Genetics. Compare dominant (def. 6). a. the recessive allele of a gene pair.n an organism having two different genes for a trait, the recessive form is suppressed by its counterpart, or dominant, form located on the other of a pair of chromosomes. See more at inheritance. Compare dominant.
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- Recessive trait. Definition. noun. (genetics) A genetic trait that results from the expression of the two recessive alleles. Supplement. When the dominant allele is lacking or when the two alleles present are both recessive, their expression results in a recessive trait.Also called: 1  recessive character.oun. (genetics) A genetic trait that results from the expression of the two recessive alleles. Supplement. When the dominant allele is lacking or when the two alleles present are both recessive, their expression results in a recessive trait. Also called: 1  recessive character.
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Genetics Dominant. DEFINITION: descriptive of an allele in a heterozygous individual that appears to be the only one affecting a trait EXAMPLE: the brown-eyed gene SENTENCE: The baby had the blue-eyed gene along with the brown-eyed gene, but the baby had brown eyes because of it's dominance.EFINITION: descriptive of an allele in a heterozygous individual that does not appear to affect a trait EXAMPLE: the blue-eyed gene SENTENCE: The baby had the blue-eyed gene along with the brown-eyed gene, but the baby had brown eyes because of the recessive blue gene.   .
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Definition of Recessive and Dominant trait? Rating Newest Oldest. Best Answer: Dominant trait refers to a genetic feature that hides the recessive trait in the phenotype of an individual. A dominant trait causes the phenotype that is seen in a heterozygous (Aa) genotype. Many traits are determined by pairs of complementary genes, each inherited from a single parent.
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recessive gene recessive gene. recessive gene in Medicine. recessive gene n. A gene that is phenotypically expressed in the homozygous state but has its expression masked in the presence of a dominant gene.
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Recessive (general) Going back; receding. (genetics) Of, or pertaining to, a gene (or allele) whose phenotypic expression is masked by a dominant gene (or allele). noun. (1) A recessive allele or trait.(2) An organism whose recessive trait is discernible or expressed. Supplement. In genetics, a recessive gene or allele is one in which the effect is not tangible, or is masked by the effects of the dominant gene.The recessive trait may be expressed when the recessive genes are in homozygous condition or when the dominant gene is not present.general) Going back; receding. (genetics) Of, or pertaining to, a gene (or allele) whose phenotypic expression is masked by a dominant gene (or allele). noun. (1) A recessive allele or trait.
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Recessive Inheritance Recessive Inheritance. When a trait is recessive, an individual must have two copies of a recessive allele to express the trait. Recessive alleles are denoted by a lowercase letter (a versus A).
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Recessive In genetics, a recessive gene or allele is one in which the effect is not tangible, or is masked by the effects of the dominant gene. The recessive trait may be expressed when the recessive genes are in homozygous condition or when the dominant gene is not present.
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Dominant Trait: Definition & Example A recessive trait is the phenotype that is not seen in the heterozygous genotype, and attached earlobes are a recessive trait. This brings us back to our main topic, which we can now define. A dominant trait is the phenotype that is seen when the heterozygous genotype is present.
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- Definitions. A dominant trait is one that is expressed in an individual who has only one copy of that gene. A recessive trait occurs when a person gets two copies of a mutant gene, or one from each parent.ow They Are Expressed. Dominant and recessive traits are expressed differently when referring to the Punnett Square developed by Gregor Mendel. A dominant trait is expressed by an uppercase letter, while a recessive gene is represented by a lower case letter.