Shared Flashcard Set

Details

set 2
test 2 study guide
31
Biology
Undergraduate 2
03/06/2007

Additional Biology Flashcards

 


 

Cards

Term
continuous variation
Definition
small variations of a trait
Term
pleiotropy
Definition
one gene affects more than one trait
Term
polyploid
Definition
cells with more than one set of chromosomes
Term
centromere
Definition
a narrow chromosomal region that joins chromatids together
Term
zygote
Definition
formed from fusion of two gametes
Term
chiasmata
Definition
crossover point
Term
cytokinesis
Definition
separating of the cytoplasm
Term
haploid
Definition
half set of chromosomes
Term
tetrad
Definition
a group of four
Term
radiation
Definition
causes mutations
Term
synapsis
Definition
pair of chromosomes which line up along each other during meiosis
Term
gamete
Definition
sex cell
Term
diploid
Definition
full set of chromosomes
Term
chromatid
Definition
half chromosome
Term
polygenic inheritance
Definition
many genes work together to form a trait
Term
polygenic inheritance
Definition
many genes work together to form a trait
Term
mutation
Definition
abrupt hereditary change
Term
recessive
Definition
not expressed when two different genes are present
Term
genotype
Definition
actual genetic makeup
Term
sex chromosome
Definition
chromosome found in one sex
Term
spontaneous generation
Definition
life from non life
Term
autosome
Definition
chromosome found in both sexes
Term
dominant
Definition
expressed when two different genes are present
Term
linkage group
Definition
a group of genes which tends to be inherited together
Term
homozygous
Definition
pure breed
Term
incomplete dominance
Definition
both genes are equally expressed
Term
independent assortment
Definition
when gametes are formed the allels of one gene separates independently of the alleles of a gene for another trait
Term
heterozygous
Definition
hybrid
Term
sex linkage
Definition
sex linked gene- trait is carried by one sex but expressed in the other sex.
Term
principle of segregation
Definition
the paired factors separate from/during the formation of gametes
Term
phenotype
Definition
outside physical apperance
Supporting users have an ad free experience!