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30 Cards in this Set
- Front
- Back
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Gene |
Specific region on a chromosome that determines or helps determine a characteristic in an organism. |
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Heredity |
The passing of traits from parents to offspring through sexual reproduction. |
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Genetics |
Study of heredity |
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Dominant |
Any gene whose trait can mask or hide the appearance of another gene or trait. |
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Recessive |
Any gene whose trait can be masked or hidden by another gene or trait. |
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Homozygous |
(Pure bred) having the same two genes for a trait |
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Heterozygous |
(Hybrid) two different genes that control a trait |
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Geneotype |
Refers to the genetic make up of an organism with respect to a specific trait |
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Phenotype |
Physical characteristic of the organism |
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Allele |
The different forms of a gene that control a specific trait |
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Punnett Square |
Diagram that shows how genes and traits are passed from parang to offspring |
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Biology |
The study of life |
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Genus and species of a fruit fly |
Drosophila melonogastor |
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Law of Independent Assortment |
Passing on of traits from parent to offspring concerning a specific characteristic has nothing to do with the passing on of a different characteristic. |
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Dihybrid cross |
9:3:3:1 |
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Diploid # |
2n |
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Haploid # |
N |
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Polyploid # |
4n |
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Meiosis |
Process by which gametes are produced for sexual reproduction |
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Gametes |
Scientific name for sex cells |
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Male |
Sperm/pollen |
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Female |
Egg/ovum |
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Replication |
Process by which DNA makes an exact copy of itself (double the amount of normal chromosomes) |
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Refer to chart |
Wjdnfnx |
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Fertilization |
The process by which a sperm and an egg unite |
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Zygote |
A single-called structure that results from fertilization |
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Blood types |
Determined genetically by the parents' blood types with the presence or absence of specific proteins |
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Universal Donor |
Type O (o-) |
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Universal Recipient |
Type AB+ |
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Science |
Organized knowledge gained through observation and experimentation. |
