TLS Online TPP Program

#Question id: 2570


 How is plant cell cytokinesis different from animal cell cytokinesis?

#Unit 2. Cellular Organization
  1. The contractile filaments found in plant cells are structures composed of carbohydrates; the cleavage furrow in animal cells is composed of contractile proteins.

  2. Plant cells deposit vesicles containing cell wall building blocks on the metaphase plate; animal cells form a cleavage furrow.

  3. The structural proteins of plant cells separate the two cells; in animal cells, a cell membrane separates the two daughter cells.

  4. Plant cells divide after metaphase but before anaphase; animal cells divide after anaphase.

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TLS Online TPP Program

#Question id: 4773

#Unit 8. Inheritance Biology

In Drosophila body color gene present on X chromosome but wing shape present on autosome.  Gray body color is dominant over yellow body color. Long wing is dominant over short wing.  Female is heterozygous for Gray body with long wing was cross with male that yellow body with short wing. Which of the following is correct approximate number of some phenotype of 400 offspring?

TLS Online TPP Program

#Question id: 4774

#Unit 8. Inheritance Biology

Which of the following above cross showing one gene segregation?

TLS Online TPP Program

#Question id: 4775

#Unit 8. Inheritance Biology

Female parent

Male Parent

Offspring

Recessive phenotype

Dominat  phenotype

F1 A- all recessive phenotype

Dominat  phenotype 

Recessive phenotype

F-1 B all dominant phenotype

     F1A

     F1 B

 all dominant  phenotype

Which of the following is correct observe for above genetic cross? 

TLS Online TPP Program

#Question id: 4776

#Unit 8. Inheritance Biology

True breeding agouti mice with genotype AABB were cross to true breeding albino mice with genotype aabb. All F1 offspring having agouti phenotype were allowed to intercross to produce F2 progeny as following 

                                 A- B -          agouti,

                                 aa B-            black

                                 --  bb            albino

Following genetic cross and there proportional?

Genetic cross

Proportional of albino

AaBbXAaBb

A

AaBb X aabb

B

Aabb X aaBb

C

AABbX aaBb

D

TLS Online TPP Program

#Question id: 4777

#Unit 8. Inheritance Biology

Two non allelic genes P and Q governed Glume color in sorghum.

P... qq  = blakish purple           P.. Q...  = raddish purple

pp Q...  = brown                      ppqq    =  brown  

A cross was allowed between PpQq and ppQq. What is proportional of their progeny with Blakish, Raddish and brown respectively? 

TLS Online TPP Program

#Question id: 4778

#Unit 8. Inheritance Biology

The following is the biochemical pathway for purple pigment production in flowers of sweet pea: A cross is made between two parents with the genotype: Aabb x AaBb. What is proportional of plant with purple pigment?