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21 Cards in this Set
- Front
- Back
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Information on - or - of traits are held in each chromosome |
1 Hundreds 2 Thousands |
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- - and where an organism is developed are a few factors in an organisms environment that can affect its phenotype. |
Temperature Sunlight |
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Mendel used pea plants in his experiments because they are easily -, they - quickly, and can be - -. |
1. Observed 2. Reproduced 3. Easily controlled |
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-- is when the offsprings phenotype is a combination of the parents phenotype |
Incomplete dominance |
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A - is a section on a chromosome that has genetic information for one trait. |
Gene |
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What does homologous mean? |
One of the same |
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What kind of pollination occurs naturally when wind, water, or animals carry pollen from one flower to another? |
Cross pollination |
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Who was known as the father of genetics? |
Gregor Mendel |
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What is a genetic factor that is blocked by another factor and is only observed when a homologous pair is present? |
Recessive traits |
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What is a genetic factor that blocks another genetic factor |
Dominate trait |
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How a trait appears or expressed is called what? |
Phenotype |
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What are the two alleles that control the appearance of a trait called? |
Genotype |
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What is it called when both alleles can be observed in a phenotype of an organism? |
Co-dominance |
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When pollen from one plant lands on the pistol of a flower of the same plant it is called what type of pollination? |
Self pollination |
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What is a thread like structure inside the nucleus of the cell |
Chromosomes |
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Both alleles are present in codominance and incomplete dominance are what? |
Dominant |
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What occurs when multiple Genes determine the phenotype of a trait? |
Polygenic inheritance |
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In one or two sentences describe fertilization in plants |
Fertilization in plants can be done by one plant by itself or two plants together. It is also quick and easily controlled. |
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What is the passing of traits from parents to offspring |
Heredity |
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The study of heredity is called what |
Genetics |
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How many factors control each inherited trait? |
2 |
