Chapter 14 -2 Flashcards Preview

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Flashcards in Chapter 14 -2 Deck (13):
1

What is translocation?

non homologous chromosomes exchange broken parts

2

Chimpanzees and humans are ? identical

98.9%

3

What are heritable changes in chromosome number due to?

nondisjunction

4

What does fertilization after nondisjunction result in?

aneuploidy

5

What is aneuploidy?

cells with varying chromosome numbers

6

Aneuploidy can either be?

Trisomy (2n+1) or monosomy (2n-1)

7

Aneuploids result in?

higher rates of miscarriages

8

Examples of aneuploids?

down's syndrome/trisomy 21

9

What inherits more than 2 sets of chromosomes?

polyploid organisms

10

What is a pedigree?

creates genetic family tree to determine what type of producing you can do

11

What is prenatal diagnosis?

tests done in the utero, before birth

12

What kind of prenatal diagnosis draws amniotic fluid?

amniocentesis

13

Amniocentesis causes ?% of miscarriage rate?

1-2%