In meiotic non-disjunction, meiotic products can be n+1, n-1, or n depending on when non-disjunction occurs
For the n+1 product can you tell if non-disjunction occurred in meiosis I or II if the non-disjunction happened to an autosome? What about a sex chromosome?
A. No; yes
B. No; no
C. Yes; yes
D. Yes; no
A
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Most carbohydrates manufactured in leaves and other photosynthetic parts are transported through the phloem to the rest of the plant by the process of
A. receptor-mediated transport. B. turgor pressure. C. transpiration. D. osmosis. E. translocation.
In the human life cycle,
a. diploid gametes reproduce by mitosis to produce diploid daughter cells that divide by meiosis to produce a new individual. b. a haploid zygote reproduces by meiosis to produce diploid daughter cells that divide by mitosis to produce a new individual. c. mitosis produces haploid gametes, and fertilization creates a diploid cell that divides by meiosis to produce a new individual. d. meiosis produces haploid gametes, and fertilization creates a diploid cell that divides by mitosis to produce a new individual. e. diploid gametes reproduce by meiosis to produce haploid daughter cells that divide by mitosis to produce a new individual.
Red muscle fibers contain an abundance of _____ for aerobic respiration.
A. myosin B. indentations C. myofibrils D. sarcomeres E. myoglobin
Which PCR step synthesizes complementary DNA strands?
A. Cool DNA to between 50°C and 65°C. B. Add primers. C. Repeat the cycle of heating and cooling. D. Add DNA polymerase and nucleotides at 72°C. E. Heat target DNA to 94°C.