Exam 1 Lab Component Flashcards Preview

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Flashcards in Exam 1 Lab Component Deck (17)
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1

Model organism attributes

short generation time
lots of offspring
easily obtainable/maintain
genetic variation
bioethical considerations
well annotated genome

2

ploidy

multiple of haploid set

3

euploid

exactly matches a multiple of the haploid set

4

autosomes

chromosomes 1-22

5

aneuploidy

has a missing or extra chromosomes

6

nullisomy

loss of one homologous pair -lethal

7

monosomy

loss of a signal chromosome -Turner's syndrome

8

trisomy

3 homologous present - Down's Syndrome

9

tetrasomy

extra chromosome pair 4 copies XXXY in males

10

homologous chromosomes

carry the same genes

11

2 homologs may...

carry 2 different alleles

12

Metacenter

centromere in center

13

submetacenter

centromere offset

14

telocentric

centromere in telomere region

15

acrocentric

centromere toward end

16

karyotype

representation of all chromosomes in a cell

17

cytogenetics

study of the structure of chromosomes