TLS Online TPP Program

#Question id: 3301


 Following statement is correct regarding convergent evolution.

#Unit 11. Evolution and Behavior
  1. Spreading of species to different and isolated environments which blocks the gene flow among the distinct populations

  2. Flipper of whale and Fin of fish is one example of convergent evolution

  3. Environmental induced force allowed to homologous organ being modified to new function

  4. Sympatric speciation leads to divergence of one species in to two are more descendant species

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TLS Online TPP Program

#Question id: 5356

#Unit 8. Inheritance Biology

In the following pedigree, individuals with shaded circle or shaded square show presence of a recessive autosomal trait. The calculated risk of occurrence of this trait for III-I is

TLS Online TPP Program

#Question id: 5357

#Unit 8. Inheritance Biology

This pedigree shows the inheritance of a recessive trait in humans. Individuals that have the trait are homozygous for a recessive allele a. If H and I, who happen to be first cousins, marry and have a child, what is the chance that this child will have the recessive trait?

TLS Online TPP Program

#Question id: 5358

#Unit 8. Inheritance Biology

In the following pedigree, individuals with shaded show presence of a recessive autosomal trait. If all individual is coming from outside the family is homozygous for normal. The calculated risk of occurrence of this trait for (?) individual is 

TLS Online TPP Program

#Question id: 5359

#Unit 8. Inheritance Biology

Which of the following mode of inheritance and selected individuals must be carrier showing in above pedigree?

TLS Online TPP Program

#Question id: 5360

#Unit 1. Molecules and their Interaction Relevant to Biology

Following some different genetic disorder traces in families. 

Family

Father

Mother

Son

Daughter

A

Affected

Affected

Unaffected

Unaffected

B

Affected

Affected

Unaffected

Affected

C

Unaffected

Unaffected

Undetermined 

Affected

D

Affected

Unaffected

Unaffected

Affected

 Which of the following possible mode of inheritance in the Family A, B, C and D respectively

TLS Online TPP Program

#Question id: 5360

#Unit 8. Inheritance Biology

Following some different genetic disorder traces in families. 

Family

Father

Mother

Son

Daughter

A

Affected

Affected

Unaffected

Unaffected

B

Affected

Affected

Unaffected

Affected

C

Unaffected

Unaffected

Undetermined 

Affected

D

Affected

Unaffected

Unaffected

Affected

 Which of the following possible mode of inheritance in the Family A, B, C and D respectively