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प्रश्न
Give Reason:
Why X-linked recessive diseases are more common among males than females.
उत्तर
Because females have two copies of the X-Chromosome and males have only one X- chromosome.
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संबंधित प्रश्न
Explain the mechanism of 'sex determination' in birds. How does it differ from that of human beings?
Define the following:
Autosomes
Drone of the honeybees shows haploid number of chromosomes. Illustrate.
Answer the following question:
How is sex determined in human beings? Explain with the help of a diagram.
Explain the haplo-diploid method of sex determination in the honey bee.
Brief about female heterogamety.
From the following which option correctly represents the normal genetic constitution of a ovum?
Which of the following is an example of genetic variation?
Which of the following statements is not true with respect to variation?
