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प्रश्न
Give Reason:
Why X-linked recessive diseases are more common among males than females.
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उत्तर
Because females have two copies of the X-Chromosome and males have only one X- chromosome.
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संबंधित प्रश्न
There are two sets of chromosomes in the zygote.
Explain how, sex is determined in human babies.
In a human, how many chromosmes are present in a sperm in the testes?
In a human, how many chromosmes are present in a skin cell?
Define the following:
Sex chromosomes
Define the following:
Sex-linked characters
Answer the following question:
How is sex determined in human beings? Explain with the help of a diagram.
Complete the following sentence with appropriate word:
___________ chromosomes do not take part in sex determination.
What is male heterogamety?
Explain the mode of sex determination in honeybees.
