TLS Online TPP Program

#Question id: 5731


If an individual is heterozygous for this translocation, the consequence in meiosis will be as follows:

A) Segregation results in a + c in one Gametes and b + d in another gametes, have duplication and deficiency so unable to produce viable offspring

B) Segregation results in a + b in one Gametes and c + d in another gametes, have normal chromosome so all viable offspring produced

C) Segregation results in a + d in one Gametes with normal chromosome and b + c in another gametes contains translocation arrangement, all viable offspring produced

D) Segregation results in a + d in one Gametes with normal chromosome, will produced viable offspring while b + c in another gametes contains translocation arrangement, will produce non viable offspring.

#Unit 8. Inheritance Biology
  1. A and B      

  2. A and D         

  3. A and C                        

  4. B and D

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TLS Online TPP Program

#Question id: 10884

#Unit 10. Ecological Principles

Herbivore ingests plant material with 1000 k j energy form producer and 300 kJ loss as feces waste; additionally herbivore invests 300 k j energy in respiration. What is production efficiency of that herbivore?

TLS Online TPP Program

#Question id: 11777

#Unit 10. Ecological Principles

Some of the species of stalk-eyed flies are sexually dimorphic, with males having eye stalks up to twice as long as those in females. This gender difference in eye span results from selection by females on the expression of this trait in males, a process called __________.

TLS Online TPP Program

#Question id: 15277

#Unit 13. Methods in Biology

Although PCR and replication show resemblances, but the basic difference is

TLS Online TPP Program

#Question id: 21968

#Unit 2. Cellular Organization

Which of the following is correct regarding the euchromatin 
a. Active genes/euchromatin are often found at the borders of chromosome territories
b. active genes from several chromosomes may cluster in inter-chromosomal territories that are enriched in transcription machinery
c. Active genes/euchromatin are often found at the periphery of nuclear wall
d. active genes from several chromosomes may cluster in inter-chromosomal territories do not have transcription machinery

TLS Online TPP Program

#Question id: 12253

#Unit 10. Ecological Principles

Both males and females of a fish species show variation in colour. A population of this species consists of 40% blue females, 20% red females, 20% blue males and 20% red males. A researcher catches one fish at random from this population. Given that a male fish is caught, the   probability that it is blue is (Use decimal notation, not fractions or percentage)