This is due to the fact that only homologous chromosomes would have identical genes located at identical sites on those chromosomes. Otherwise, there would be no connection between the alleles of various genes.
Although the genes and loci of the two members of the homologous pair are similar, the alleles may vary.For instance, both allele possess the genes responsible for the attribute of eye colour. While the one has alleles for the blue-eye trait, other has alleles for the brown-eye trait. The homologous chromosomes are said to be heterozygous in this instance since the alleles are different.
On the other hand, when both alleles for a gene that codes for the blue-eye phenotype are present, it is said to be homozygous.
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Cells are part of of all living things.If we didn’t have cells we wouldn’t be able to define whether something is alive or not. Cells make tissue in the body too and tissue makes organs like your brain, heart, liver, spleen & stomach so therefore without them we wouldn’t exist.
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Annual plant is a plant which life cycle is only one year. the whole plant could also die in a year. in contrast, biennial plant is a plant which life cycle is 2 years. the first tear will germinate and grow and its second year it will bloom and eventually die.
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for a hypothesis to be part of an accepted theory, it must have been extensively tested through experiments under different conditions
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The one used to cut sandwiches is thicker
