BIOL 239 Lecture 7: editedFont_BIOL239set7 chromosome number

25 views58 pages
17 Feb 2016
Department
Course
1
BIOL 239
Changes in chromosome number
Chapter 6 pg 175-176,
303-311
Aneuploidy
Aneuploidy results from the loss or
gain of one or more chromosomes
Unlock document

This preview shows pages 1-3 of the document.
Unlock all 58 pages and 3 million more documents.

Already have an account? Log in
2
Aneuploids individuals whose
chromosome number is not an exact
multiple of the haploid number (n) for the
species
Aneuploidy
Monosomic refers to individuals lacking
one chromosome from the diploid number
(2n-1)
Unlock document

This preview shows pages 1-3 of the document.
Unlock all 58 pages and 3 million more documents.

Already have an account? Log in
3
Trisomic refers to individuals having
one chromosome in addition to the diploid
set (2n+1)
Tetrasomic refers to individuals having
four copies of a particular chromosome
(2n+2)
Aneuploidy
Autosomal aneuploidy is generally
deleterious to the organism.
Monosomy is generally lethal in humans.
Unlock document

This preview shows pages 1-3 of the document.
Unlock all 58 pages and 3 million more documents.

Already have an account? Log in

Get access

Grade+
$10 USD/m
Billed $120 USD annually
Homework Help
Class Notes
Textbook Notes
40 Verified Answers
Study Guides
1 Booster Class
Class+
$8 USD/m
Billed $96 USD annually
Homework Help
Class Notes
Textbook Notes
30 Verified Answers
Study Guides
1 Booster Class