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18 Cards in this Set
- Front
- Back
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dominant trait |
genetic factor that blocks another genetic factor |
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egg |
haploid sex cell formed in the female reproductive organ |
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genetics |
study of how traits are passed from parents to offspring |
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heredity |
passing of traits from parents to offspring |
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hybrid |
offspring of two plants or animals with different forms of the same trait |
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recessive trait |
genetic factor that isblocked by the presence of adominant factor |
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sperm |
haploid sex cell formed in the male reproductive organs |
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allele |
different form of a gene |
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codominance |
occurs when both alleles can be observed in the offspring’s phenotype |
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conclude |
to reach a logically necessary end by reasoning |
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gene |
section on a chromosome that has genetic information for one trait |
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section on a chromosome thathas genetic information for one trait |
two alleles that control the phenotype of a trait |
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heterozygous |
having two different alleles of a gene |
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homozygous |
having the same two alleles of a gene |
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incomplete dominance |
occurs when the offspring’s phenotype is a blend of the parents’ phenotypes |
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phenotype |
how a trait appears or is expressed |
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polygenic inheritance |
occurs when multiple genes determine the phenotype of a trait |
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Punnett square |
model used to predict possible genotypes and phenotypes of offspring |
