Asu Bio 182 Exam 2 Frequently Tested Questions With Verified Answers

ASU BIO 182 EXAM 2 FREQUENTLY
TESTED QUESTIONS WITH VERIFIED
ANSWERS

◉ 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


◉ Telophase II and Cytokinesis (Meiosis).
Answer: -goes from 2 cells to 4 cells
‑nuclear envelope forms around each set of chromosomes
‑cytoplasm divides


◉ Asexual organisms.
Answer: -New alleles must occur independently
‑can't be passed around and mixed with the genetic make up/
different alleles of other organisms