TLS Online TPP Program

#Question id: 4999


In the 5—7 million years that the hominid lineage has been diverging from its common ancestor with the great apes, dozens of hominid species have arisen, often with several species coexisting in time and space. As recently as 30,000 years ago, Homo sapiens coexisted with Homo neanderthalensis. Both species had large brains and advanced intellects. The fact that these traits were common to both species is most easily explained by which of the following?

#Unit 11. Evolution and Behavior
  1. species selection

  2. uniformitarianism

  3. sexual selection

  4. A and B only

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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.

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: 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: 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: 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: 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.