Exam 4 FITB meeting 32 Flashcards
(21 cards)
offspring genotypes are unique (one in infinite) because of __________ and __________
crossovers
gamete selection
____________ and _________ occurs due to nondisjunction
aneuploidy
polyploidy
____________ allows identification of various chromosomes
karyotype
Karyotype allows identification of various ________
chromosomes
Down’s syndrome (_______) is an example of _________
trisomy 21
Polyploidy
In ________’s experiment, dominant and recessive traits in peas were inherited ________ and ________
Mendel
Independent of each other
Gender
Peas can _________ or __________, which allows for evaluation of inheritance
self fertilize
cross fertilize
peas can self fertilize or cross fertilize, which allows for ____________________
evaluation of inheritance
monohybrid cross allowed identification of ___________________
dominant and recessive alleles
________________ allowed identification of dominant and recessive alleles
Monohybrid cross
_________ charts help with identification of mendelian traits in a family
pedigree
the genetic variation in sexually reproducing species is due to ________
meiosis
principle of segregation of ____________ of a gene
two alleles
__:__ ratio of dominant and recessive phenotypes in the F2 (not F1) generation
3:1
3:1 ratio of dominant and recessive phenotypes in the ____ generation
F2
_________ determines genotype of an individual with dominant phenotype
test cross
____________ determines whether a trait is sex-linked or autosomal
Reciprocal cross
reciprocal cross determines whether a trait is ____________ or ____________
sex-linked
autosomal
___________: two genes are at loci close enough that they are co-inherited
linkage
