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Science Vocabulary

Published on Nov 23, 2015

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1.

Science Vocabulary

Genetics   Mrs. Watson
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2.

Heredity

  • Process in which traits are
  • passed from parent
  • to Offspring
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3.

Trait

A Characteristic or quality of an organism
4.

Trait

A Characteristic or quality of an organism
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5.

DNA

Genetic Materical found in cells
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6.

Gene

small sections of DNA that control traits
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7.

Chromosomes

DNA molecule wrapped up tight
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8.

How many chromosomes?

humans have 46 total and 23 pairs
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9.

Alleles

different versions of a gene
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10.

Genotype

the alleles that make up a gene
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11.

Phenotype

The physical appearance based on genotype 
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12.

Freckles

This is an example of a Phenotype
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13.

FF

genotype example for freckles
Photo by pjan vandaele
14.

Dominant Gene

Gene that will overpower a recessive gene
Photo by Jagadeesh SJ
15.

Recessive Gene

Can only seen when dominant gene is not there
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16.

ff

This is an example of recessive alleles for NO freckles
Photo by Nick Fedele
17.

Ff

this genotype will make freckles
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18.

Homozygous

two copies of the gene are the same
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19.

Heterozygous

Two copies of the gene are different
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Maude Watson