Which of the following crosses will NOT produce offspring with the recessive phenotype? Select all that apply.A) TT × TtB) Tt × TtC) TT × TTD) Tt × ttE) tt × tt
What will be an ideal response?
A, C
The crosses TT × Tt and TT × TT will only ever produce offspring that have the dominant phenotype.
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Given the sentence "THE FAT CAT ATE THE RED RAT," which of the following would represent a frameshift mutation?
A. THE FAT RAT ATE THE RED CAT B. THE CAT ATE THE RED RAT C. THE FAC ATA TET HER EDR AT D. THE FAT CAT ATE THE RED RAT Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about frameshift mutations? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The electronegativity of nitrogen (N) is 3.0, while the electronegativity of hydrogen (H) is 2.1. Knowing this, consider how the electrons will be shared in ammonia (NH3 ). What do you predict about the polarity of ammonia?
A. Each H atom has a partial positive charge B. The N atom has a partial positive charge C. Each H atom has a partial negative charge D. The N atom has a strong positive charge
The RNA polymerase ternary complex includes
a. sigma factor, core enzyme, rho factor, RNA, and DNA. b. sigma factor, core enzyme, RNA, and DNA. c. sigma factor, core enzyme, and DNA. d. sigma factor and core enzyme. e. core enzyme.
What is the primary purpose of the light reactions of photosynthesis?
A) to remove carbon dioxide gas from the atmosphere B) to release electrons needed to convert solar energy to chemical energy C) to create oxygen gas D) to produce glucose