TLS Online TPP Program

#Question id: 9217


Which of the following conditions is the most likely indicator of a population in an extinction vortex?

#Unit 9. Diversity of Life Forms
  1. The species in question is found only in small, stable pockets of its former range.
  2. The effective population size of the species falls below 1,000.
  3. Genetic measurements indicate a loss of genetic variation over time.
  4. The population is permanently small.
More Questions
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: 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: 5361

#Unit 8. Inheritance Biology

The pedigree shows the inheritance of a RFLP marker through three generations in a single family. A total of 8 alleles (numbered to the left of the blots) are present in the family. The RFLPs of each member of the family are placed directly below his (squares) or her (circles) symbol and RFLP numbers. In Above pedigree, which of the following are not children of second generation parent?

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

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: 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