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ASU BIO 182 EXAM 2
ACTUAL EXAM WITH CORRECT
SOLUTIONS.
asexual reproduction - correct answer- directing cells to divide and develop into new tissues and organs without a partner
sexual reproduction - correct answer- -takes more time and energy than asexual reproduction -genetically diverse offspring -requires fertilization -requires haploid gametes -mating
most plants and animals produce_______ - correct answer- gametes called eggs and sperm
Meiosis - correct answer- nuclear division that forms haploid cells
Meiosis I - correct answer- diploid cells divide to create 2 haploid cells, each with one of the homologous chromosomes 1 / 3
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Meiosis II - correct answer- 2 haploid cells divide to form 4 haploid cells, which develop into eggs or sperm
Prophase I (Meiosis) - correct answer- -chromosomes condense -nuclear envelope breaks down -spindle fibers start to form (microtubules) -crossing over occurs
Metaphase 1 (Meiosis) - correct answer- Pairs of homologous chromosomes move to metaphase plate
Anaphase I (Meiosis) - correct answer- homologous chromosomes separate and move to opposite poles of the cell
Telophase and Cytokensis (Meiosis) - correct answer- - chromosomes gather at poles of the cell -cytoplasm divides
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Prophase II (Meiosis) - correct answer- -2 cells -a new spindle forms around the chromosomes
Metaphase II (Meiosis) - correct answer- chromosomes line up at the metaphase plate/equator
Anaphase II (Meiosis) - correct answer- -2 cells -centromeres divide -chromatids move to opposite poles of the cells
Telophase II and Cytokinesis (Meiosis) - correct answer- -goes from 2 cells to 4 cells -nuclear envelope forms around each set of chromosomes -cytoplasm divides
Asexual organisms - correct answer- -New alleles must occur independently -can't be passed around and mixed with the genetic make up/ different alleles of other organisms
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