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#Question id: 3315


Which one of the following statements is TRUE for Negative-frequency dependent selection?

#Section 3: Genetics, Cellular and Molecular Biology
  1. Fitness of a genotype increases as it becomes less common.

  2. Fitness of a genotype increases as it becomes more common.

  3. Fitness of a genotype decreases as it becomes less common.

  4. Fitness of a genotype decreases as it becomes common and gets fixed.

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#Question id: 3557

#Section 3: Genetics, Cellular and Molecular Biology

What was the most significant conclusion that Gregor Mendel drew from his experiments with pea plants?

TLS Online TPP Program

#Question id: 3558

#Section 3: Genetics, Cellular and Molecular Biology

Cystic fibrosis (CF) is a Mendelian disorder in the human population that is inherited as a recessive. Normal parents have two children with CF. The probability of their next child being normal son for this characteristic.

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#Question id: 3559

#Section 3: Genetics, Cellular and Molecular Biology

Homozygous yellow was crossed with green seed plant. All F1 offspring having yellow seed plant were allowed to self fertilization to produced F2 plant. Further F2 plant self fertilized. What is phenotype ratio in F3 generation?

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#Question id: 3560

#Section 3: Genetics, Cellular and Molecular Biology

During which phase of meiosis does the segregation described by Mendel primarily occur?

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#Question id: 3561

#Section 3: Genetics, Cellular and Molecular Biology

During which phase of meiosis does independent assortment occur?

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#Question id: 3562

#Section 3: Genetics, Cellular and Molecular Biology

In cats, blood-type A results from an allele (IA) that is dominant over an allele (iB) that produces blood-type B. There is no O blood type. Two heterozygous was intercross. What is the probability of first offspring blood-type B?