TLS Online TPP Program

#Question id: 5680


In vitro model of species-specific binding shows in figure. Add the bindin particles to a plastic well containing a suspension of eggs. After 2–5 minutes of gentle shaking, the wells were photographed.

 According to this figure, which of the following conclusion correctly define the phenomenon of species specificity?

#Unit 5. Developmental Biology
  1. Figure a and d shows bindin bound to and agglutinated eggs from its own and closely related species.

  2. Figure a and c shows no agglutination means bindin particles do not interact with eggs fom different species.

  3. Figure b and c shows no agglutination means in vitro bindin particles do not perform species specific binding.

  4. Figure a and d shows Each bindin bound to and agglutinated only eggs from its own species.

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TLS Online TPP Program

#Question id: 12169

#Unit 8. Inheritance Biology

During the phenotypic variations, the genotype shows variation at different effect given in graph;


According to the graph , this is an example of,

TLS Online TPP Program

#Question id: 12170

#Unit 8. Inheritance Biology

Sex determination in the grasshoppers is X-linked, if the cross is made between the heterozygous red phenotypic  female with the heterogametic red phenotypic male , then what will be the ratio of male and female with the red phenotype in F1 generation?

TLS Online TPP Program

#Question id: 12171

#Unit 8. Inheritance Biology

In the case of recessive lethal, showing lethality with X^w.  If the female grasshopper  with the genotype (X^+ X^w) is cross with the male grasshopper with the genotype (X^+O) , then what will be the probability of showing lethality in male and female?

TLS Online TPP Program

#Question id: 12172

#Unit 8. Inheritance Biology

In haplodiploid condition, hymnoptera  insects  female mates with a single male , find the mean genetic relatedness of;
i) the females in the progeny are related to,
ii) the males in the progeny are related to,

TLS Online TPP Program

#Question id: 12173

#Unit 8. Inheritance Biology

Female with only one X chromosome is a characteristics of individual with

TLS Online TPP Program

#Question id: 12174

#Unit 8. Inheritance Biology

Red-eyed female (X ^+X^+ ) crossed with white-eyed male (X^w Y) , all the F1 progeny shows the red phenotype, then what will be the probability of F2 phenotype;
 i)  Male with red eye phenotype
ii) Female with white eye phenotype
iii) Female with red eye phenotype
iv) Male with white eye phenotype