what is the difference between homozygous and heterozygous genes?
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Organisms can be homozygous or heterozygous for a gene. ... An organism can be homozygous dominant, if it carries two copies of the same dominant allele, or homozygous recessive, if it carries two copies of the same recessive allele. Heterozygous means that an organism has two different alleles of a gene.
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8. Comparing and Contrasting What is the difference between a heterozygous phenotype produced by incomplete dominance and a heterozygous phenotype produced by codominance? Incomplete dominance means that neither alleles are dominant so the heterozygous phenotype is somewhere in between the two homozygous phenotypes.
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An allele is a combination of one, two or more genes which together bear a single characteristic. Alleles can be dominant or recessive. A genotype is a combination of two or more alleles and bears a phenotype. A genotype can be homozygous or heterozygous and can contain one or more alleles.
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Heterozygous means that an organism has two different alleles of a gene. For example, pea plants can have red flowers and either be homozygous dominant (red-red), or heterozygous (red-white). If they have white flowers, then they are homozygous recessive (white-white).
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Homozygous — Differences & Similarities. Homozygous means two copies of the same allele, such as two dominant alleles. Heterozygous means one of each type of allele, one dominant and one recessive.
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Difference Between Hybrid and Purebred. Hybrid: Cross between two species. Hybrid Organisms are the offspring of two heterozygous parents. Purebred: Genes come from one gene of species.
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Being homozygous means that both copies you have are the same. ... So, a homozygous dominant plant has the two T versions (written "TT"), and a homozygous recessive plant has the two t versions (written "tt"). Heterozygous is one tall and one short: Tt. Now, your question is on how are the genes different.
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Heterozygous vs. Homozygous — Differences & Similarities. Homozygous means two copies of the same allele, such as two dominant alleles. Heterozygous means one of each type of allele, one dominant and one recessive.
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A heterozygous genotype has one dominant and one recessive allele. Because a heterozygous genotype contains a dominant allele, it will also show the dominant phenotype. Homozygous recessive genotypes contain two recessive alleles.
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Homozygote, an organism with identical pairs of genes (or alleles) for a specific trait. If both of the two gametes (sex cells) that fuse during fertilization carry the same form of the gene for a specific trait, the organism is said to be homozygous for that trait.
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Homologous chromosomes are 2 physically different chromosomes that have the same genes but are not genetically identical. Sister chromatids are 2 copies of a single chromosome and so are genetically identical (they also are physically attached to one another).
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What is the probability of a heterozygous offspring? Explain your answer. Heterozygous offspring are those containing two different alleles, in this case S and s. Therefore, the probability of heterozygous offspring is 0.5.
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inbreeding increases homozygosity. In essence, inbreeding takes alleles from heterozygotes and puts them into homozygotes. inbreeding itself does not cause evolution, because allele frequencies do not change in the population as a whole. ... Instead, most loss-of-function alleles exist in heterozygous individuals.
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Homozygous means that both copies of a gene or locus match while heterozygous means that the copies do not match. Two dominant alleles (AA) or two recessive alleles (aa) are homozygous. One dominant allele and one recessive allele (Aa) is heterozygous.
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Pp individuals, like that first generation of purple pea plants bred from the purple and white pea plants, are called heterozygous because they have two different forms of alleles for one gene. These individuals show the dominant trait because the dominant allele masks the recessive allele.
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​Homozygous Homozygous is a genetic condition where an individual inherits the same alleles for a particular gene from both parents.
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Homologous and non-homologous chromosomes are the two types chromosomes identified based on the pairing pattern of chromosomes during the metaphase 1 of meiosis. Homologous chromosomes refer to the chromosomes in the same pair while non-homologous chromosomes refer to the chromosomes in different pairs.