TLS Online TPP Program

#Question id: 7704


The best classification system is that which most closely ________.

#Unit 9. Diversity of Life Forms
  1. unites organisms that possess similar morphologies
  2. conforms to traditional, Linnaean taxonomic practices
  3. reflects evolutionary history
  4. reflects the basic separation of prokaryotes from eukaryotes
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TLS Online TPP Program

#Question id: 5352

#Unit 8. Inheritance Biology

Marriage occurs between individuals III-3 and III-6, what is the probability couple; son would be affected with the trait?

TLS Online TPP Program

#Question id: 5351

#Unit 8. Inheritance Biology

Consider the accompanying pedigree of a rare autosomal recessive disease, PKU. (Assume individual coming from outside that is homozygous for normal allele) What is the probability of child showing trait of A and B individuals?

TLS Online TPP Program

#Question id: 5350

#Unit 8. Inheritance Biology

Which of the following most probable mode of genetic disorder?

TLS Online TPP Program

#Question id: 5349

#Unit 8. Inheritance Biology

The following is the inheritance pattern of a trait under observation:

(i) The trait often follow cris cross inheritance 

(iii) Unaffected father born to affected daughter

The trait is likely to be

TLS Online TPP Program

#Question id: 5348

#Unit 8. Inheritance Biology

Miniature wings (Xm) in Drosophila result from an X-linked allele that is recessive to the allele for long wings (XL). Following different cross with resulting progeny were possible

Male parent

Female parent

Heterozygous

Male offspring

Female offspring

Long wings

XLY

Long wing

XL Xm

       A

B

Miniature wings

XmY

Long wing

XL Xm

C

D

Which of the following above offspring is not possible to carry miniature wings?

TLS Online TPP Program

#Question id: 5239

#Unit 8. Inheritance Biology

Which of the following statements is not true for Hfr strains of E. coli ?