TLS Online TPP Program

#Question id: 15175


The cell membranes of psychrophilic microorganisms have high levels of _______ and remain semifluid when cold.

#Unit 2. Cellular Organization
  1. Saturated fatty acids
  2. Cholestrol
  3. Unsaturated fatty acids 
  4. Both A & C
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TLS Online TPP Program

#Question id: 23734

#Unit 8. Inheritance Biology

The narrow-sense heritability of ear length in Reno rabbits is 0.4. The phenotypic variance (VP) is 0.8, and the environmental variance (VE) is 0.2. What is the additive genetic variance (VA) for ear length in these rabbits?

TLS Online TPP Program

#Question id: 23735

#Unit 8. Inheritance Biology

Phenotypic variation that is due to genetic differences is referred to as heritability. It can be the Broad-sense heritability and Narrow-sense heritability, the Broad-sense heritability which is ranges from 0 to 1. Identify the correct prediction about these ranges?
a) 0 is all of the phenotypic variance results from differences in genotype
b) 0 is all of the phenotypic variance results from environmental variation
c) 1 is all of the phenotypic variance results from differences in genotype
d) 1 is all of the phenotypic variance results from environmental variation

TLS Online TPP Program

#Question id: 23285

#Unit 8. Inheritance Biology

Chromosome are classified into four basic term, 

 

          Chromosome      

 

 

A) Metacentric chromosome

 

i) centromeres present at the end of the chromosome

 

B) Submetacentric chromosome

 

ii) chromomere near the end of the chromosomes

 

C) Acrocentric chromosome

 

iii) Centromere in the middle of the chromosome and divides the chromosome into two equal arms.

 

D) Telocentric chromosome

 

iv) The centromere is present near the middle and divides the chromosome into two unequal arms

TLS Online TPP Program

#Question id: 23578

#Unit 8. Inheritance Biology

During chromosomal rearrangements are one way in which new genes evolve which is

TLS Online TPP Program

#Question id: 23577

#Unit 8. Inheritance Biology

Duplications and deletions often arise from__

TLS Online TPP Program

#Question id: 23576

#Unit 8. Inheritance Biology

Developmental abnormalities caused by___