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LE > Genetic Community > Flashcards

Genetic Community Flashcards

1
Q

gene

A

a segment of DNA (on a chromosome) that contains the code for a specific trait

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2
Q

trait

A

a characteristic that is passed from parent to offspring through the genes

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3
Q

heredity

A

the passing of traits from parent to offspring

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4
Q

DNA

A

the material found in all cells that contains genetic information about that organism

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5
Q

chromosome

A

a thick thread like structure that contains genetic information in the form of DNA

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6
Q

asexual reproduction

A

a method of reproduction in which all the genes passed on to the offspring come from a single offspring or parent

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7
Q

sexual reproduction

A

a method of reproduction that involves two parents producing offspring that are genetically different from their parent

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8
Q

clone

A

an organism that is genetically identical to the organism from which it was produced

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9
Q

sperm

A

the male sex cell

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10
Q

egg

A

a sex cell produced by a female

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11
Q

genetic recombination

A

the formation of a new combination of genes during sexual reproduction

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12
Q

subunit

A

the section of a DNA molecule that contains sugar, phosphate, and a base

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13
Q

bond

A

a chemical link between atoms that hold molecules together

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14
Q

replicate

A

to copy

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15
Q

template

A

the pattern for a new molecule

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16
Q

mutation

A

any alteration in the sequence of DNA

17
Q

expressed

A

the way that an unseen gene is seen in an organism as an actual physical trait

18
Q

genetic engineering

A

a set of technologies that humans use to alter the genetic instructions of an organism by substituting DNA molecules

19
Q

biotechnology

A

combination of technology and biological sciences

20
Q

selective breeding

A

the process of choosing a few organisms with desirable traits to serve as the parents of the next generation

LE (9 decks)

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