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TLS Online TPP Program

#Question id: 4908

Shell coiling of the snail is maternal effect phenotype control by S gene, where S Dextral is dominant over s sinistral. If snail sinistral coiled shell, which of the following statement is true

#Unit 8. Inheritance Biology

  1. Genotype of srain must be s/s                 

  2. Female parent genotype of the srain must be s/s

  3. Male parent of the srain must be s/s

  4. Grandmother genotype of the srain must be s/s

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TLS Online TPP Program

#Question id: 12102

#Unit 10. Ecological Principles

Use the following diagram of Joseph Connell's study of barnacle distribution in Scotland to answer the following two questions


Which of the following is the most logical conclusion about the distribution of the two species of barnacle, Chthamalus and Balanus?
TLS Online TPP Program

#Question id: 19382

#Unit 12. Applied Biology

A plant can be made glyphosate resistant by
TLS Online TPP Program

#Question id: 4135

#Unit 3. Fundamental Processes

In the “activation” of an amino acid for protein synthesis:
TLS Online TPP Program

#Question id: 8893

#Unit 9. Diversity of Life Forms

While sampling marine plankton in a lab, a student encounters large numbers of fertilized eggs. The student rears some of the eggs in the laboratory for further study and finds that the blastopore becomes the mouth. The embryo develops into a trochophore larva and eventually has a true coelom. These eggs probably belonged to a(n)
TLS Online TPP Program

#Question id: 4381

#Unit 3. Fundamental Processes

All the following statements about heterochromatin are true except: