Asu Bio 182 Exam 2 Questions With Complete Solutions

ASU BIO 182 EXAM 2 QUESTIONS WITH
COMPLETE SOLUTIONS

asexual reproduction - ANSWER-directing cells to divide and develop into new
tissues and organs without a partner


sexual reproduction - ANSWER--takes more time and energy than asexual
reproduction
-genetically diverse offspring
-requires fertilization
-requires haploid gametes
-mating


most plants and animals produce_______ - ANSWER-gametes called eggs and
sperm


Meiosis - ANSWER-nuclear division that forms haploid cells


Meiosis I - ANSWER-diploid cells divide to create 2 haploid cells, each with one of
the homologous chromosomes


Meiosis II - ANSWER-2 haploid cells divide to form 4 haploid cells, which develop
into eggs or sperm

, Prophase I (Meiosis) - ANSWER--chromosomes condense
-nuclear envelope breaks down
-spindle fibers start to form (microtubules)
-crossing over occurs


Metaphase 1 (Meiosis) - ANSWER-Pairs of homologous chromosomes move to
metaphase plate


Anaphase I (Meiosis) - ANSWER-homologous chromosomes separate and move to
opposite poles of the cell


Telophase and Cytokensis (Meiosis) - ANSWER--chromosomes gather at poles of
the cell
-cytoplasm divides


Prophase II (Meiosis) - ANSWER--2 cells
-a new spindle forms around the chromosomes


Metaphase II (Meiosis) - ANSWER-chromosomes line up at the metaphase
plate/equator


Anaphase II (Meiosis) - ANSWER--2 cells
-centromeres divide
-chromatids move to opposite poles of the cells