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Definition
The joining or fusing of two gametes sperm (n)+ egg (n)=zygote (2n) |
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Definition
There is a vast amount of variation, or diversity, among the different species. |
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Definition
will express its trait (the trait will show up in a person’s appearance) if it is present. |
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Definition
will only be expressed if both chromosomes contain the recessive allele. |
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Term
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Definition
two different alleles produce a mixture of the traits |
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Definition
occurs when both traits are expressed in one individual. |
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Term
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Definition
Some characteristics are controlled by more than one gene or there are more than two alleles of the gene. |
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Term
advantage of sexual reproduction |
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Definition
the offspring are genetically different from their parents and from each other. |
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Term
disadvantage of sexual reproduction |
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Definition
-an individual needs to find a mate. produce fewer offspring -a lot slower -have to grow and develop before they start to produce gametes |
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