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Slide Notes

Definition: Genetic information that tells cells what to do
Makes up chromosomes
Found in the nucleus ( of eukaryotes)
Found in all cells (of eukaryotes)
Made up of sugar, phosphate, and nitrogen bases
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Genetics Vocabulary

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PRESENTATION OUTLINE

1.

DNA

Definition: Genetic information that tells cells what to do
Makes up chromosomes
Found in the nucleus ( of eukaryotes)
Found in all cells (of eukaryotes)
Made up of sugar, phosphate, and nitrogen bases
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2.

CHROMOSOME

Definition: coiled up DNA in a cells nucleus. Humans have 23 pairs
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3.

GENES

Definition: Genes- segments of DNA that carry hereditary information, located on chromosomes
Photo by National Cancer Institute
4.

DOMINATE TRAIT

Definition: The trait that seems to appear or stronger in an organism.
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5.

RECESSIVE TRAIT

Definition: The trait that seems to be hidden or not seen in an organism.
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6.

HEREDITY

Definition: The passing of traits from parents to offspring.
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7.

ALLELE

Definition: The different forms that are single gene can take.
Photo by National Cancer Institute
8.

PHENOTYPE

Definition: an organisms inherited appearance or Looks.
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9.

GENOTYPE

Definition: an inherited combination of alleles.
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10.

HOMOZYGOUS

Definition: Organisms that have two identical alleles for a particular trait.
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11.

HETEROZYGOUS

Definition: Organisms that have two different alleles for the same trait.
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12.

SEX CELL

A cell in a humans body that determines whether it is a boy or a girl.
Photo by NIAID
13.

PUNNET SQUARE

A square you use to find the probability of the different phenotypes using the alleles from two parents.
Photo by Kaizen Nguyễn

Samantha Elkins