TLS Online TPP Program

#Question id: 9219


If the sex ratio in a population is significantly different from 50:50, then which of the following statements will always be accurate?

#Unit 9. Diversity of Life Forms
  1. The population will enter the extinction vortex.
  2. The genetic variation in the population will increase over time.
  3. Modeling of the minimum viable population size will underestimate the actual population size.

  4. The effective population size will be less than the actual population size.
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TLS Online TPP Program

#Question id: 5329

#Unit 8. Inheritance Biology

A sex-linked recessive allele c produces a red-green colorblindness in humans. A normal woman whose father was colorblind marries a colorblind man. What are the chances that the second child from this marriage will be a colorblind boy?

TLS Online TPP Program

#Question id: 5330

#Unit 8. Inheritance Biology

First child of both affected couple has normal, an autosomal dominant disorder. What is probability of second child of this couple would have diseased?

TLS Online TPP Program

#Question id: 5331

#Unit 8. Inheritance Biology

In some me insect XX is female and XO is male. Red body color caused by recessive mutation, while wild type body color is green .Gene for body colour on X chromosome .if homozygous red female is crossed with wild type male, the phenotype of their offspring will be

TLS Online TPP Program

#Question id: 5332

#Unit 8. Inheritance Biology

Which of the following are incorrect regarding Sex chromosome in human?

TLS Online TPP Program

#Question id: 5333

#Unit 8. Inheritance Biology

Phenylketonuria a metabolic disease in human is caused by recessive allele k. if two heterozygous carriers of allele marry and have three children, what is the chance that all children will be affected?

TLS Online TPP Program

#Question id: 5334

#Unit 8. Inheritance Biology

The way sex determination in birds, Male birds have two Z chromosomes, and females have Z and W. which of the following is not possible during inheritance?