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Science Year 10 > TEST DEFINITIONS > Flashcards

TEST DEFINITIONS Flashcards

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Biology 101 flashcards
1
Q

Genome

A

Genetic instructions inerited from parents contained in DNA

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2
Q

Mitosis

A

THe process of cell division and practicially cloning

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3
Q

Meiosis

A

a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.

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4
Q

Trisomy

A

When there is 3 chromosomes instead of just 2 in a set of genes

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5
Q

Heterozygus

A

When there is two different types of genes in a set

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6
Q

Telomere

A

caps at the end of the double helix structure of DNA to protect chromosomes

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7
Q

Autosomes

A

any chromosome that isnt a sex chromosome

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8
Q

Zygote

A

The cell formed when 2 gametes join together, the earliest stage of life

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9
Q

Chromosome

A

Threadliek structures that contain dna

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10
Q

Locus

A

THe place occupied by a gene on a chromosome

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11
Q

mutagen

A

any substance or influence that causes genetic mutations

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12
Q

haploid

A

(of a cell or nucleus) having a single set of unpaired chromosomes.

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13
Q

Diploid

A

of a cell or nucleus) containing two complete sets of chromosomes, one from each parent

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14
Q

Epigenetics

A

the study of changes in organisms caused by modification of gene expression rather than alteration of the genetic code itself

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15
Q

Genotype

A

The genotype refers to the entire set of genes in a cell, an organism, or an individual.

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16
Q

RNA

A

Ribonucleic acid

17
Q

Cytokinesis

A

the cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.

18
Q

Mutation

A

The process of changing the structure of genes resulting in VARIANT

19
Q

Pedigree

A

the recorded ancestry or lineage of a person or family.

20
Q

Transcription

A

The process of constructing a strand of mRNA based on a DNA strand

Science Year 10 (2 decks)

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