TLS Online TPP Program

#Question id: 34962


Which of the following information is/are correct regarding Cre-loxp ?

#Section 6: Plant, Animal and Microbial Biotechnology
  1. Recombination between loxP sites in the same orientation results in deletion of the DNA sequence between the two loxP sites.
  2. Recombination between loxP sites in the opposite orientation results in inversion of the DNA sequence between the two loxP sites.
  3. A loxP site consists of two 13-bp inverted repeat sequences.
  4. In case of Cre-loxp Cre is a recombinase.
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TLS Online TPP Program

#Question id: 3544

#Section 3: Genetics, Cellular and Molecular Biology

Diploid organism possesses two alternative form of gene present on locus of chromosome that specifies particular character undergoes crossing over between gene and centromere. Which of the following observation is correct?

TLS Online TPP Program

#Question id: 3545

#Section 3: Genetics, Cellular and Molecular Biology

Consider the accompanying pedigree of a rare autosomal recessive disease, PKU. Male with PKU marry with normal female whose father is PKU. What is probability of child affected with PKU?

TLS Online TPP Program

#Question id: 3546

#Section 3: Genetics, Cellular and Molecular Biology

What is the probability of getting three children with same sex from parents?

TLS Online TPP Program

#Question id: 3547

#Section 3: Genetics, Cellular and Molecular Biology

Ram and Nidhi are apparently normal, but their daughter was born with alkaptonuria, an inherited metabolic disorder. If alkaptonuria is like most human hereditary disorders, the probability of their next child being born with alkaptonuria is

TLS Online TPP Program

#Question id: 3548

#Section 3: Genetics, Cellular and Molecular Biology

 In a cross between two heterozygotes (Aa), the F2 generation will be

TLS Online TPP Program

#Question id: 3549

#Section 3: Genetics, Cellular and Molecular Biology

When a plant of chromosomal type aa pollinates plant of type AA, what is the chromosome constitution of embryo and endosperm is expected in the resulting seeds