Term
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Definition
The passing of traits from parents to offspring |
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Term
Who was the first person to study heredity?
(3 Facts) |
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Definition
Gregor Mendel
1. priest in a monestary
2. studied pea plants
3. father of modern genetics |
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Definition
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Term
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Definition
The joining of sperm and egg |
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Term
What is the difference between self-pollinating plants and cross-pollinating plants? |
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Definition
self-pollinating - pollen from a flower lands on the pistol of the same flower
Cross-pollinating - to cross two plants, pollen from one flower is is removed from one plant and brushed onto another |
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Term
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Definition
The offspring of many generations that have the same traits |
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Term
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Definition
The segment of DNA that codes for a specific trait, controls the trait |
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Term
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Definition
the different forms of a gene |
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Term
What is the difference between a gene and an allele?
Give an example of each. |
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Definition
Gene - eye color
Allele - brown, blue, hazel, green, gray |
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Term
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Definition
An allele whose trait always shows up in the organism when the allele is present |
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Term
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Definition
An allele that is masked when a dominant allele is present |
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Term
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Definition
an organisms genetic makeup, or allele combinations |
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Term
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Definition
an organisms physical appearance, or visible traits |
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Term
What is the difference between genotype and phenotype?
Give an example of each. |
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Definition
Genotype - Ab
Phenotype - brown eyes |
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Term
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Definition
Threadlike chromatin in the nucleus to form double-rod structures |
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Term
How many chromosomes do humans have?
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Definition
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Term
Do all organisms have the same number of chromosomes? |
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Definition
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