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प्रश्न
Choose the correct answer:
Males have more chances of suffering from sex-linked disease because of ___________
विकल्प
one Y chromosome
one X chromosome
autosomes
none of these
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उत्तर
Males have more chances of suffering from sex-linked disease because of one X chromosome
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संबंधित प्रश्न
A normal cell of human body contains 23 pairs of chromosomes. The number of chromosomes in a sex cell (sperm or ovum) of a human being is most likely to be :
(a) 46
(b) 23
(c) 21
(d) 42
Choose the correct answer:
A single recessive trait, able to express must be on _________
Distinguish between heterogametic and homogametic sex determination systems.
What is male heterogamety?
Brief about female heterogamety.
Chromosomal constitution of normal human females can be written as ______.
A man with blood group A marries a woman having blood group O. What will be the blood group of the child?
Which of the following determines the sex of a child?
Some dinosaurs had feathers although they could not fly but birds have feathers that help them to fly. In the context of evolution this means that
A woman has only daughters. Analyse the situation genetically and provide a suitable explanation.
