TLS Online TPP Program

#Question id: 3742


The general excision repair pathway for DNA repair has the following order:

#Section 3: Genetics, Cellular and Molecular Biology
  1. endonuclease cuts → helicase or endonuclease removes → DNA polymerase → DNA ligase

  2. DNA ligase → DNA polymerase → helicase or endonuclease removes → endonuclease cuts

  3. endonuclease cuts → DNA polymerase repairs → helicase opens up → DNA ligase

  4. endonuclease cuts → DNA ligase removes → endonuclease removes → DNA ligase

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TLS Online TPP Program

#Question id: 3527

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following genetic cross would produce 1/4 yellow round, 1/4 yellow wrinkle, 1/4 Green round and ¼ Green Wrinkle seeded plant?

TLS Online TPP Program

#Question id: 3528

#Section 3: Genetics, Cellular and Molecular Biology

Consider the following cross:

A/a ; B/b ; C/c ; D/d ; E/e  X a/a ; B/b ; c/c ; D/d ; e/e

What proportion of progeny will phenotypically resemble the first parent?

TLS Online TPP Program

#Question id: 3529

#Section 3: Genetics, Cellular and Molecular Biology

Mendel crossed tall and round seeded pea plants with dwarf and wrinkle seeded pea. The F1 plants were all tall and round seed. What is the probability of tall plant with wrinkle seed in F2 generation?

TLS Online TPP Program

#Question id: 3530

#Section 3: Genetics, Cellular and Molecular Biology

Mendel’s law of segregation, as applied to the behavior of chromosomes in meiosis, means that:

TLS Online TPP Program

#Question id: 3531

#Section 3: Genetics, Cellular and Molecular Biology

Due to independent assortment resulting gamete is

TLS Online TPP Program

#Question id: 3532

#Section 3: Genetics, Cellular and Molecular Biology

In a plant species, flower color purple is dominant over white. One such purple-flowered plant upon selfing produced 35 viable plants, of which 9 were white flowered and the rest were purple flowered. What fraction of these purple-flowered progeny is expected to be pure purple-flowered line?