UA BSC 108 EXAM 2 NEWEST 2026 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
mitosis and development creates a _______ from this zygote
produced in fertilization. - ANSWER-multicellular diploid adult
in males, meiosis occurs in the _____ as part of
spermatogenesis. - ANSWER-testes
in females, meiosis occurs in the _______ as part of oogenesis -
ANSWER-ovaries
Meiosis reduces the number of chromosomes sets from diploid to
haploid by ... - ANSWER-dividing a diploid parents cell into 4
haploid daughter cells in two consecutive divisions
The stages of meiosis I : - ANSWER-prophase I, metaphase I,
anaphase I, telophase I, and cytokinesis
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The stages of meiosis II: - ANSWER-prophase II, metaphase II,
anaphase II, telophase II, and cytokinesis
DNA replicated Before meiosis I, during the S phase of
interphase. DNA ____________ again before meiosis II. -
ANSWER-does not replicate
Meiosis I separates________ and meiosis II separates _____> -
ANSWER-homologous chromosomes; sister chromatids
The three origins of genetic variation among offspring and how
they occur... - ANSWER-1. Independent assortment of
Chromosomes (arrangement of homologous chromosomes at
metaphase of meiosis I affects the resulting gametes)
2. Crossing Over (the exchange of corresponding segments
between non sister chromatids of homologous chromosomes,
during prophase I of meiosis)
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3. random fertilization - each zygote is made by a mating pair with
unique assortment of alleles - random union of sperm and egg
________ is an advantage of sexual reproduction. - ANSWER-
genetic variation
The process of ____________ captures light energy from the sun
and converts it to chemical energy stored in sugars and other
organism molecules. - ANSWER-photosynthesis
write the general equation for photosynthesis from memory -
ANSWER-water (6H2O) + carbon dioxide (6CO2) + Light energy -
--> glucose (C6H12O6) + oxygen (6O2)
Water enters plants through _______ and carbon dioxide enters
plants through _______. - ANSWER-their roots; pores in the leaf
called stomata
Photosynthesis occurs in - ANSWER-chloroplasts