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TLS Online TPP Program

#Question id: 5338

Which one of the following is not true for a disease inherited as a sex-linked dominant in humans?

#SCPH28 | Zoology

  1. All daughters of an affected male will inherit the disease

  2. Sons will inherit the disease, only if their mother has the diseases

  3. Daughters will inherit the disease, only if their father has the diseases

  4. Both affected males and affected heterozygous females will pass the trait to half their children

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TLS Online TPP Program

#Question id: 13081

#SCPH01 Biochemistry

Correct statements about RAPD’s
A. RAPD polymorphism is detected by using oligonucleotides usually more than 10 bases long of random sequences as primers in a reaction.
B. In a strain which has in genomic DNA sequences complementary to the primer oligonucleotide, PCR products will be detected in the gel,
C. Typical RAPD markers show limited variation between parents, especially in naturally inbreeding species.
D. RAPDs are more sensitive than RFLPs to experimental conditions making them more difficult to be consistent and reproducible.
TLS Online TPP Program

#Question id: 11534

#I Life Science/ Life Sciences Group – I-V

Which of the following is the precursor of auxin?
TLS Online TPP Program

#Question id: 2965

#SCPH28 | Zoology

In a diploid cell with 5 chromosome pairs (2n = 10), how many centromeres will be found in a nucleus at G2 of the cell division cycle?
TLS Online TPP Program

#Question id: 310

#SCPH28 | Zoology

Ionic bonds easily form when electron when ionization energy of the metallic atom is _____ comparatively.
TLS Online TPP Program

#Question id: 9178

#SCPH28 | Zoology

A fish swimming into an estuary from a river would have which of the following as its greatest physiological challenge?