TLS Online TPP Program

#Question id: 8908


According to one hypothesis, the jaws of vertebrates were derived by the modification of

#Unit 9. Diversity of Life Forms
  1. scales of the lower lip.
  2. skeletal rods that had supported pharyngeal (gill) slits.
  3. one or more gill slits.
  4. one or more of the bones of the cranium.
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TLS Online TPP Program

#Question id: 15195

#Unit 8. Inheritance Biology

In the following pedigree shows the segregation of two different recessive traits.
Assuming that both traits are due to linked autosomal genes that are 10 cM apart, calculate the probability that the indicated child will have both recessive traits.

TLS Online TPP Program

#Question id: 15196

#Unit 8. Inheritance Biology

In the following pedigree shows the segregation of two different recessive traits.
Derive a general equation relating the probability that the child will have both traits expressed as a function of the distance between the markers in cM.

TLS Online TPP Program

#Question id: 15197

#Unit 8. Inheritance Biology

In the following pedigree shows the segregation of two different recessive traits.

Assuming that both traits are 10 cM apart on the X chromosome, what is the probability that a male child will have both recessive traits?

TLS Online TPP Program

#Question id: 15198

#Unit 8. Inheritance Biology

In the following pedigree shows the segregation of two different recessive traits.
Assuming that both traits are 10 cM apart on the X chromosome, what is the probability that a female child will have both recessive traits?

TLS Online TPP Program

#Question id: 9197

#Unit 9. Diversity of Life Forms

What is the biological significance of genetic diversity between populations?

TLS Online TPP Program

#Question id: 9199

#Unit 9. Diversity of Life Forms

Ecosystem services include processes that increase the quality of the abiotic environment. Which of the following processes would fall under this category?