TLS Online TPP Program

#Question id: 15169


These photoorganotrophic heterotrophs (photoorganoheterotrophs) are common inhabitants of

#Unit 2. Cellular Organization
  1. Surface and soil
  2. polluted lakes and streams
  3. Dissolve in water
  4. All
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TLS Online TPP Program

#Question id: 26810

#Unit 8. Inheritance Biology

Match the following;

 Column I       Column II
 (A) G-bands

 (i) viewing the chromosomes under ultraviolet light results from differences in

 the relative amounts of cytosine-guanine (C-G) and adenine-thymine base pairs 

 (B) R-bands (ii) which are regions of DNA occupied by centromeric heterochromatin
 (C) Q-bands (iii) staining the telomere DNA specifically
 (D) C-bands (iv) distinguish areas of DNA that are rich in adenine-thymine (A-T) base pairs
 (E) T-bands (v) reverting the dark bands by using saltingout method

TLS Online TPP Program

#Question id: 26811

#Unit 8. Inheritance Biology

Sequence rich with cytosine and guanine base pairs  that are not detected by

TLS Online TPP Program

#Question id: 26812

#Unit 8. Inheritance Biology

In an individual heterozygous, the abnormal chromosome loops out during chromosome pairing in prophase I, in which condition?

TLS Online TPP Program

#Question id: 26813

#Unit 8. Inheritance Biology

Which one of the following statements is INCORRECT?

TLS Online TPP Program

#Question id: 26814

#Unit 8. Inheritance Biology

Phenotypic variation is analyzed for milk production in a herd of dairy cattle and the following variance components are obtained: Additive genetic variance= 0.4, Dominance genetic variance= 0.1, Genic interaction variance= 0.2, Environmental variance= 0.5, Genetic−environmental interaction variance= 0.0,  the heritability (H2) of milk production is___
1.20

TLS Online TPP Program

#Question id: 26815

#Unit 8. Inheritance Biology

Deletion in long arm of chromosome number 15, that leads to cause syndrome;