Inheritance terms to learn
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Transcript of Inheritance terms to learn
![Page 1: Inheritance terms to learn](https://reader030.fdocuments.in/reader030/viewer/2022032619/55c032ecbb61eb8a148b459f/html5/thumbnails/1.jpg)
INHERITANCE
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Some important terms :
• Inheritance• Chromosome• Gene• Allele• Dominant gene• Recessive gene• Homogenous• Heterogenous• Phenotype• Genotype
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Inheritance
• Passing on of characteristics from one generation to the next
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Chromosome
• Long thread like structure in the nucleus of a cell.
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Genes
• Small section of DNA coding for a particular character
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Alleles
• Variation in a characteristic caused by different forms of a gene
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In humans
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Sex chromosomes
IN MALES IN FEMALES
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Observe
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• DOMINANT ALLELEThe character which is expressed Eg. Spotted coat in leopard
• RECESSIVE ALLELEThe character which is supressedEg. Black coat in black panther
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HOMOZYGOUS
• An individual with two identical alleles for a gene
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HETEROZYGOUS
• An individual with two different alleles for a gene
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GENOTYPE
• The genetic makeup of an organism
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PHENOTYPE
• The physical appearance of an organism
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