Name TBA Flashcards

1
Q

Reproduction

A

the production of daughter cells from a mother cell or the production of offspring from parents

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2
Q

Chromosome

A

the structures within living cells that contain the genetic material
- genes physically located in their structure
- contain very long segment of DNA, the genetic material, and proteins(bound to DNA to give structure)

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3
Q

chromatin

A

the complex between DNA and proteins found within eukaryotic chromosomes

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4
Q

prokaryotes

A
  • another name for bacteria and archaea
  • the chromosomes are not contained within a separate nucleus in the cell
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5
Q

nucleoid

A

darkly staining region that contains the genetic material of mitochondria, chloroplasts, or bacteria

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6
Q

eukaryotes

A
  • one of three domains of life
  • cells contain a nucleus bound by a membrane
  • examples: single-celled protists, multi-celled organisms like fungi, plants, and animals
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7
Q

Organelles

A
  • large, specialized structure within a cell, which is surrounded by a single or double membrane
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8
Q

nucleus

A
  • membrane bound organelle in eukaryotic cells where sets of chromosomes are found
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9
Q

cytogenetics

A
  • field of genetics that involves microscopic examination of chromosomes
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10
Q

somatic cell

A

any cell of the body except for gametes and the germ-line cells that give rise to gametes

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11
Q

gamete

A
  • reproductive cell (usually haploid) that can unite with another reproductive cell to create a zygote
  • examples: sperm and egg cells
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12
Q

Karyotype

A

an organized representation of a micrograph of all the chromosomes within a cell
- it reveals how many chromosomes are found within an actively dividing somatic cell

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13
Q

diploid

A

refers to an organism or cell that contains two sets of chromosomes

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14
Q

Homologs

A

one of the chromosomes in a pair of homologous chromosomes

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15
Q

Alleles

A

alternative form of a specific gene

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16
Q

Homozygous

A
  • describes a diploid individual that has two identical alleles of a particular gene
17
Q

Heterozygous

A
  • describes a diploid individual that has two different alleles of the same gene
18
Q

locus (loci)

A
  • the physical location of a gene or other DNA segment within a chromosome
19
Q

Cell Cycle

A
  • in eukaryotic cells, a series of phases through which a cell advances in order to divide
  • phases: G1 and G2 for Gap, S for synthesis (of genetic material), and M for mitosis