Exam 4 FITB meeting 31 Flashcards
The number of _____________ are reduced by 1/2 during anaphase I
Centromeres
Two “_____________” ___________ chromatids are split in meiosis II
Non-identical
Sister
Chromatids
_________: of chromosomes means different chromosome x is assorted independent of chromosome y
Independent assortment
The two replicated homologous chromosomes form a ________ that can form random synapsis or __________
tetrad
cross over sites
cross over sites are mediated by ________
synaptonemal complex
Genetic variation ________ due to crossover at ________ during Prophase I
increases
chiasma
________ are randomly assorted during Meiosis I
homologous chromosomes
_____________ are split during Meiosis II
sister chromatids
meiosis II yields _______
haploid genome
meiosis I yields ________
haploid number of centromeres
Ploidy and chromosome number are counted as number of _________
Centromeres
______ and ______ are counted as number of centromeres
Ploidy
Chromosome number
DNA amount (number of copies of alleles) doubles during _________
S phase
Homologous chromosomes are randomly assorted during ____________
Meiosis I