TLS Online TPP Program

#Question id: 10870


Which of the following best describes the relationship between a tick and a dog?

#Unit 10. Ecological Principles
  1. Mutualism
  2. Commensalism
  3. Predation
  4. Parasitism 
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TLS Online TPP Program

#Question id: 4781

#Unit 8. Inheritance Biology

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

P= blakish purple          

Q = raddish purple (dependent over P gene )

If heterozygous Raddish purple were cross with homozygous brown color .What are phenotypic ratio of  progeny?

TLS Online TPP Program

#Question id: 4782

#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 number –

                                 A- B -     180 agouti,

                                 aa B-        60 black

                                 --  bb        80 albino

A Male Mice with Aabb genotype was cross with female mice with AaBB genotype. What is probability of Black phenotype among their offspring?

TLS Online TPP Program

#Question id: 4783

#Unit 8. Inheritance Biology

Non allelic gene interaction If cross between AaBb X AaBb  what are proportional of progeny with white respective phenotype

TLS Online TPP Program

#Question id: 4784

#Unit 8. Inheritance Biology

The following is the biochemical pathway for purple pigment production in flowers of sweet pea Recessive mutation of either gene A or B leads to the formation of white flowers. A cross is made between two parents with the genotype: AaBb x aabb. Considering that the two genes are not linked, the phenotypes of the expected progenies are

TLS Online TPP Program

#Question id: 4785

#Unit 8. Inheritance Biology

One form of white eye is a recessive X-linked gene in Drosophila. From a mating of a heterozygous wild-type Drosophila female with a white-eyed male, what is the probability of wild type offspring?

TLS Online TPP Program

#Question id: 4786

#Unit 8. Inheritance Biology

Following biochemical pathway for agouti phenotype in mice is control by gene A and B. when cross between AAbb xaaBB, what will be phenotype ratio in F2 generation?