{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

BSCI Exam 3 Outline

BSCI Exam 3 Outline - BSCI 110B – Exam 3 Definitions...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: BSCI 110B – Exam 3 Definitions: Aneuploidy: any abnormal # of chromosomes Epistasis: multiple genes “interact” to influence a trait (e.g., white vs. brown vs. black mice) Complementation: multiple enzymes are needed to complete pathways (related to epistasis) Pleiotropic: single gene multiple traits (e.g., Sickle cell anemia → codominant on molecular level, but incompletely dominant in genetics ) Polygenic: multiple genes single trait → Multifactorial: environmental effect on polygenic traits (“norm of reaction”; e.g., skin color) Penetrance: the genotype reflects the phenotype (high when environment plays no factor in phenotype) Expressivity: how much the genotype predicts phenotype Calico cats are ALL FEMALES. X inactivation Patches of orange and black → Gender determination Humans (X-Y): X and Y. XX female, XY male → → *Presence/absence of Y determines gender Bugs (X-O): X only. XX female, XO male → → *# of Xs determines gender Birds, Fish, etc. (Z-W): Z and W. ZW female, ZZ male → → *Reverse of X-Y system Bees/ants (Haplo-diploid):no sex chromosomes. Diploid female, haploid → → male Mult iple Allele system: # of genotypes =...
View Full Document

{[ snackBarMessage ]}

Page1 / 3

BSCI Exam 3 Outline - BSCI 110B – Exam 3 Definitions...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online