Two varieties of maize averaging 25 and 125 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 75 inches in height. Plant height is control by 3 QTL, what is the probability of plant with 25 inch height in F2 generation?

#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?

#Question id: 5350

#Unit 8. Inheritance Biology

Which of the following most probable mode of genetic disorder?

#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

#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

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

#Question id: 5239

#Unit 8. Inheritance Biology

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

#Question id: 5240

#Unit 8. Inheritance Biology

If bacteria grow in the presence of a large amount of DNase, which of the following recombination process completely inhibited?