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10-22
n/a
9
Biology
Undergraduate 1
10/23/2013

Additional Biology Flashcards

 


 

Cards

Term
what is pleiotropy? example?
Definition
the impact of 1 gene on more than one characteristic
sickle cell anemia
Term
what is polygenetic inheritance?
Definition
traits that aren't "either/or"
Term
how many chromosomes is the gene for skin color located on?
Definition
3
Term
what are the sex chromosomes of birds?
Definition
male: ZZ
female: ZW
Term
how many sex chromosomes do bees, wasps and ants have?
what kind of cells do females and males have?
Definition
NONE
females are diploid, males are haploid
Term
who discovered sex linked genes?
Definition
T.H. Morgan
Term
who rediscovered Mendel's work?
Definition
Correns
Term
why did Morgan use Drosophila (fruit flies) for his experiments?
Definition
short life cycle (2 weeks)
easy to reproduce
easy to store
only 4 chromosome pairs (1 is sex chromosomes)
Term
what are 3 sex linked disorders in humans?
Definition
color blindness
hemophilia (poor clotting)
Duchenne Muscular Dystrophy
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