TLS Online TPP Program

#Question id: 9201


Erwin and Scott used an insecticidal fog to knock down insects from the top section of a L. seemannii tree. The researchers identified over 900 species of beetles among the individuals that fell. Erwin also projected that this entire tree from top to bottom is host to about 600 arthropod species that are unique to this tree species and not found on any other tree species. There are approximately 50,000 species of tropical trees. Although it could not be entirely accurate, what would be the best way to estimate the total number of arthropod species?

#Unit 9. Diversity of Life Forms
  1. Estimate the species density and then multiply by 50,000.
  2. Multiply 600 by 50,000.
  3. Multiply 50,000 by 900.
  4. Add 900 to 600, and then multiply by 50,000
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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?

TLS Online TPP Program

#Question id: 5368

#Unit 8. Inheritance Biology

Which of the following is correct about genetic disorder in family?

A) Gene for this trait present in both sex

B) Trait is governed by mitochondrial gene

C) Sex limited trait acts like a recessive trait on an autosome

D) Sex influenced trait acts like a dominant trait on an autosome

TLS Online TPP Program

#Question id: 5369

#Unit 8. Inheritance Biology

Above family shows inheritance of colour-blindness is recessive genetic disorder. Which of the following is correct statement? (All persons are outside of family either homozygous (female) or hemizygous (Male) are consider)

TLS Online TPP Program

#Question id: 5370

#Unit 8. Inheritance Biology

The pedigree below represents the inheritance of an X link recessive trait. The probability of effected child in fourth generation of family?

TLS Online TPP Program

#Question id: 5371

#Unit 8. Inheritance Biology

The trait represented in the following pedigree (shaded symbols) is known to be inherited as a single dominant gene. Calculate the probability of the trait appearing in the offspring if the first cousins should marry and have children.