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Genetics Terms: Chiasma, Crossing Over, Homologous Chromosomes, Tetrad, Centromere, Quizzes of Biology

Definitions for various genetics terms including chiasma, crossing over, homologous chromosomes, tetrad, centromere, chromatid, diploid, haploid, synapsis, and segregation.

Typology: Quizzes

2011/2012

Uploaded on 01/24/2012

angelo-de-la-casa
angelo-de-la-casa 🇺🇸

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TERM 1
chiasma
DEFINITION 1
Points where the arms of chromosomes overlap one another
during synapsis
TERM 2
crossing over
DEFINITION 2
occurs when pieces of homologous chromosomes break off
and exchange pieces with one another to form new
combinations of genes
TERM 3
homologous
DEFINITION 3
chromosomes that are "alike" in size, position of the
centromere, and type of genetic information they carry
TERM 4
tetrad
DEFINITION 4
formed when replicated homologous chromosomes synapse
with one another
TERM 5
centromere
DEFINITION 5
holds the chromatids of a replicated chromosome together
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TERM 1

chiasma

DEFINITION 1

Points where the arms of chromosomes overlap one another

during synapsis

TERM 2

crossing over

DEFINITION 2

occurs when pieces of homologous chromosomes break off

and exchange pieces with one another to form new

combinations of genes

TERM 3

homologous

DEFINITION 3

chromosomes that are "alike" in size, position of the

centromere, and type of genetic information they carry

TERM 4

tetrad

DEFINITION 4

formed when replicated homologous chromosomes synapse

with one another

TERM 5

centromere

DEFINITION 5

holds the chromatids of a replicated chromosome together

TERM 6

chromatid

DEFINITION 6

refers to a replicated chromosome

TERM 7

diploid

DEFINITION 7

refers to a cell that contains pairs of homologous

chromosomes (two sets of chromosomes)

TERM 8

haploid

DEFINITION 8

refers to a cell that contains only a single set of

chromosomes (one member of each pair)

TERM 9

synapsis

DEFINITION 9

term that describes the pairing of homologous chromosomes

to form tetrads

TERM 10

segregation

DEFINITION 10

refers to the separation of homologous chromosomes to

opposite poles of the cell