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ASU BIO 182 EXAM 2(Latest Exam 2024)
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ASU BIO 182 EXAM 2(Latest Exam 2024)
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ASU BIO 182 EXAM 2(Latest Exam 2024)asexual reproduction - correct answers✅directing cells
to divide and develop into new tissues and organs
without a partner
sexual reproduction - correct answers✅-takes more
time and energy than asexual reproduction
-genetically diverse offspring
-requires fertilization
-requires haploid gametes
-mating
most plants and animals produce_______ - correct
answers✅gametes called eggs and sperm
Meiosis - correct answers✅nuclear division that forms
haploid cells
Meiosis I - correct answers✅diploid cells divide to
create 2 haploid cells, each with one of the homologous
chromosomes
Meiosis II - correct answers✅2 haploid cells divide to
form 4 haploid cells, which develop into eggs or sperm
,ASU BIO 182 EXAM 2(Latest Exam 2024)
Prophase I (Meiosis) - correct answers✅-chromosomes
condense
-nuclear envelope breaks down
-spindle fibers start to form (microtubules)
-crossing over occurs
Metaphase 1 (Meiosis) - correct answers✅Pairs of
homologous chromosomes move to metaphase plate
Anaphase I (Meiosis) - correct answers✅homologous
chromosomes separate and move to opposite poles of the
cell
Telophase and Cytokensis (Meiosis) - correct answers✅-
chromosomes gather at poles of the cell
-cytoplasm divides
Prophase II (Meiosis) - correct answers✅-2 cells
-a new spindle forms around the chromosomes
Metaphase II (Meiosis) - correct answers✅chromosomes
line up at the metaphase plate/equator
Anaphase II (Meiosis) - correct answers✅-2 cells
, ASU BIO 182 EXAM 2(Latest Exam 2024)
-centromeres divide
-chromatids move to opposite poles of the cells
Telophase II and Cytokinesis (Meiosis) - correct
answers✅-goes from 2 cells to 4 cells
-nuclear envelope forms around each set of chromosomes
-cytoplasm divides
Asexual organisms - correct answers✅-New alleles
must occur independently
-can't be passed around and mixed with the genetic make
up/ different alleles of other organisms
Sexual organisms - correct answers✅-populations can
accrue new beneficial alleles in a shorter period of time
than asexual organisms
-organisms in a population can share beneficial alleles
-takes all the best alleles and puts them in a "basket" that
selection can favor
sex creates_____ - correct answers✅-genetic variation
among offspring
-allows populations to adapt to environmental change
faster
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