homologous chromosomes have the same alleles?
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One chromosome of each homologous pair comes from the mother (called a maternal chromosome) and one comes from the father (paternal chromsosome). Homologous chromosomes are similiar but not identical. Each carries the same genes in the same order, but the alleles for each trait may not be the same.
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Homologous chromosomes are chromosomes which contain the same genes in the same order along their chromosomal arms. There are two main properties of homologous chromosomes: the length of chromosomal arms and the placement of the centromere.
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A couple of homologous chromosomes, or homologs, are a set of one maternal and one paternal chromosome that pair up with each other inside a cell during fertilization.
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The main difference between homologous and non-homologous chromosomes is that homologous chromosomes consist of alleles of the same type of genes in the same loci whereas non-homologous chromosomes consist of alleles of different types of genes.
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chromosome is DNA tightly coiled around histones (proteins) homologous chromosomes are two different copies of the same chromosome, and sister chromatids are two identical copies of a chromatin connected by a centromere.
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Autosomes (22 pairs) are homologous in humans, whereas male sex chromosomes (XY) are non-homologous, while female sex chromosomes (XX) are homologous. In autosomes the centromere position is identical but in sex chromosomes the centromere position os non-identical.
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Homologous chromosomes do not function the same in mitosis as they do in meiosis. ... Instead, the replicants, or sister chromatids, will line up along the metaphase plate and then separate in the same way as meiosis II - by being pulled apart at their centromeres by nuclear mitotic spindles.
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Diploid organisms inherit one copy of each homologous chromosome from each parent; all together, they are considered a full set of chromosomes. In animals, haploid cells containing a single copy of each homologous chromosome are found only within gametes.
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Homologous Pairs. ... Sister chromatids are used in cell division, like in cell replacement, whereas homologous chromosomes are used in reproductive division, like making a new person. Sister chromatids are genetically the same. That is, they are identical copies of one another specifically created for cell division.
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A human's 46 chromosomes can be grouped into 23 pairs of chromosomes called... homologous chromosomes. similar in shape and size, and that the two chromosomes carry the same gene.
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An organism that is homozygous has two copies of the same allele. An allele is one version, like a "flavor", of a gene. ... Homozygous means having two of the same allele. Heterozygous means having two different alleles.
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Homozygous consists of two copies of the same allele that codes for a particular trait. Heterozygous consists of two different copies of alleles that code for a particular trait.
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The chromosome in each pair carries the same gene in the same location. These genes could be the same, or different versions: Alleles are different versions of the same gene. ... The genotype is the collection of alleles that determine characteristics and can be expressed as a phenotype .
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Are the alleles on a recombinant chromatid the same as the original chromatid? No. The chromosomes in the homologous pair can have different alleles for each gene, so a switch in a portion of the chromosomes would affect that info in that chromatids.
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Homologous Chromosome Function While each homologous chromosome carries the same genes, they can carry different versions of the gene. Different versions of a gene are called alleles. This means that your cells will typically produce 2 versions of every protein encoded by the DNA.
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Homologous chromosomes are chromosomes which contain the same genes in the same order along their chromosomal arms. ... Since homologous chromosomes are not identical and do not originate from the same organism, they are different from sister chromatids.
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Human body cells (somatic cells) have 46 chromosomes. ... The matched pairs of chromosomes in a diploid organism are called homologous chromosomes. Homologous chromosomes are the same length and have specific nucleotide segments called genes in exactly the same location, or locus.