Which of the following statements about directional selection are true? Group of answer choices Directional selection is also known as stabilizing selection. Allele frequency does not change between generations with directional selection. Phenotype frequency changes between generations with directional Selection. The Aa genotype is more advantageous than the AA genotype.
Added by Mark M.
Step 1
Directional selection is also known as stabilizing selection. False. Directional selection favors one extreme phenotype, while stabilizing selection favors intermediate phenotypes. Show more…
Show all steps
Your feedback will help us improve your experience
Madhur L and 58 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Choose the type of selection that best matches the statement. Each answer may be used more than once. a. sexual selection b. stabilizing selection c. directional selection d. disruptive selection Selection acts to decrease the most common phenotype.
Which of the following statements is false? Select one: a. Natural selection acts on the phenotype b. Natural selection usually decreases or maintains genetic variation c. Natural selection can alter a population's mean trait value d. Natural selection always favours rare genotypes Below are the fitness values for three genotypes in four populations. In which population is the allele "A" both dominant and deleterious? Select one: a. AA: 1.0, Aa: 1.0, aa: 0.8 b. AA: 0.8, Aa: 1.0, aa: 0.9 c. AA: 1.0, Aa: 0.8, aa: 0.8 d. AA: 0.8, Aa: 0.8, aa: 1
Rabeya Z.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD