What is segregation?
A) Fertilization is random.
B) During gamete formation, allele pairs are separated to form haploid gametes.
C) Genes lie on chromosomes.
D) Chromosomes can swap information during meiosis.
E) During gamete formation, segregating pairs of unit factors assort independently of each other.
Answer: B
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Researchers suggest that despite the trend observed, the depletion of oxygen from the atmosphere due to burning of fossil fuels is currently not a serious environmental concern
because the change in oxygen levels is small compared to the abundance of atmospheric oxygen, which is sufficient for survival of animals and humans. True or false. Severe declines in ocean plants (phytoplankton) due to ocean warming and acidification from dissolved CO2 (forming HCO3 - and CO3 2-) could potentially lead to larger decreases in O2 levels over time, thereby altering this conclusion. What will be an ideal response?
Which of the following describes the correct path of air through the human respiratory
A. larynx, trachea, bronchi, bronchioles, alveoli B. trachea, larynx, bronchi, bronchioles, alveoli C. trachea, bronchi, larynx, bronchioles, alveoli D. larynx, bronchioles, trachea, bronchi, alveoli E. bronchi, trachea, larynx, bronchioles, alveoli
Routine microbiology cultures should include all of the following media except:
a. nonselective nutritive media. b. highly selective specialized media such as Löwenstein-Jensen agar. c. selective and differential media based on site of infection. d. an enrichment or supplemental broth.
Similarities at the neural circuit level between humans and ____ are easy to detect and therefore are used in
evolutionary studies examining the requirements for neural circuits.
a. rodents b. invertebrates c. fruit flies d. sea hares e. bees