biology vobab geneeeeeeeeeeeeees Flashcards

1
Q

Genetics

A

the genetic properties, features, and characteristics of an organism.

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2
Q

Fertilization

A

The fusion of male gametes and female gametes to form a new organism.

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3
Q

Trait

A

A characteristic of an organism determined by genes (not just visible).

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4
Q

Hybrid

A

The product of two different species reproducing.

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5
Q

Gene

A

A unit of heredity which is transferred from a parent to offspring and is held to determine some characteristics of offspring.

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5
Q

Principle of Dominance

A

The principle states that when two different alleles are present in an organism, only the dominant allele will be expressed.

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5
Q

Allele

A

A variant form of a gene that is located on a particular spot on a DNA molecule.

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5
Q

Segregation

A

Principle that states that the two alleles for each trat separate during gamete formation and combine randomly during zygote formation.

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6
Q

Probability

A

Percent chance of offspring being born with a specific trait.

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6
Q

Phenotype

A

Visible characteristics caused by genetics

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6
Q

Homozygous

A

Possesses two of the same allele (2 dominant, or 2 recessive)

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6
Q

Heterozygous

A

Possesses one dominant allele and one recessive alle.

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