TLS Online TPP Program

#Question id: 12533


If the flow of energy in an arctic ecosystem goes through a simple food chain, perhaps involving humans, starts from seaweeds to fish to seals to polar bears, then which of the following could be true?

#Unit 10. Ecological Principles
  1. Polar bears can provide more food for humans than seals can.
  2. The total biomass of the seaweeds is lower than that of the seals.
  3. Seal meat probably contains the highest concentrations of fat-soluble toxins.
  4. The seaweed can potentially provide more food for humans than the seal meat can.
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TLS Online TPP Program

#Question id: 5362

#Unit 8. Inheritance Biology

From the following select the possible mode of inheritance and the probability that the daughter in generation III will show the trait.

TLS Online TPP Program

#Question id: 5363

#Unit 8. Inheritance Biology

A Southern blot using a probe that binds to the region spanning the mutation causing albinism detects one DNA fragment in homozygous normal individuals (A/A) and two fragments in albino individuals (a/a). Following banding pattern of three offspring of parents? Which of the following correct regarding parents?

TLS Online TPP Program

#Question id: 5364

#Unit 8. Inheritance Biology

The inheritance of a given disorder is recorded in families shown below: Based on the above limited information, which one of the following inheritance patterns of disorder was not shown in the family?

TLS Online TPP Program

#Question id: 5365

#Unit 8. Inheritance Biology

The following pedigree shows the inheritance of a common phenotype controlled by an autosomal recessive allele. The probability of carriers in the population is 1/3. What is the probability that a child from parents III-3 and III-4 will show the phenotype?

TLS Online TPP Program

#Question id: 5366

#Unit 8. Inheritance Biology

From the following select the possible mode of inheritance and the probability that the child in generation III will show the trait.

TLS Online TPP Program

#Question id: 5367

#Unit 8. Inheritance Biology

Following pedigree showing X link recessive disorder. Which of the following confirm a carrier female in a family?