Term
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Definition
| the differences between individuals in a population |
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Definition
| a way that individuals in a population vary |
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Term
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Definition
| The particular version of a characteristic seen in an individual. |
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Term
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Definition
| characteristics that fall into separate categories |
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Term
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Definition
| characteristics that show a wide range of values |
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Term
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Definition
| location of the genetic material in a cell |
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Term
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Definition
| long thread-like structures made of DNA |
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Term
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Definition
| a section of DNA on a chromosome, contains the instructions for a characteristic |
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Term
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Definition
| is a technique that can be used in DNA profiling |
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Term
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Definition
| male or female sex cell, contains only one set of genes |
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Term
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Definition
| different versions of a gene that contain different instructions for a characteristic |
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Term
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Definition
| the alleles an organism has for a characteristic |
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Term
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Definition
| the allele that will only be shown in the phenotype if two copies of it are inherited |
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Term
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Definition
| the allele that will mask the effect of a recessive allele |
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Term
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Definition
| when the two alleles an organism inherits are identical |
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Term
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Definition
| when the two alleles an organism inherits are different |
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Term
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Definition
| a grid that shows the possible combinations of alleles that can result at fertilisation. |
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Term
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Definition
| parents, the first generation and the second generation of offspring in a genetic cross |
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Term
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Definition
| the proportion of each type of phenotype expected as the result of a genetic cross |
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Term
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Definition
| the proportion of each phenotype in the real offspring of a genetic cross |
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Term
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Definition
| a diagram that displays the phenotypes of individuals in several generations of a family. |
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Term
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Definition
| sex chromosomes in a female |
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Term
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Definition
| sex chromosomes in a male |
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Term
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Definition
| a picture of the chromosomes from one cell of a species |
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Term
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Definition
| a genetic disorder where there is an extra copy of chromosome 21. |
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