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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
उत्तर
Males have more chances of suffering from sex-linked disease because of one X chromosome
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संबंधित प्रश्न
Explain the mechanism of sex determination in birds.
"The sex of a newborn child is a matter of chance and none of the parents may be considered responsible for it". Draw a flow chart showing determination of sex of a newborn to justify this statement.
Which of the following is an example of ZW – ZZ type of mechanism of sex determination?
In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosomes is/are :
(i) large chromosome
(ii) small chromosome
(iii) Y chromosome
(iv) X chromosome
The sex of a child is determined by which of the following?
(a) the length of the mother's pregnancy
(b) the length of time between ovulation and copulation
(c) the presence of and X chromosome in an ovum
(d) the presence of a Y chromosome in a sperm
Name two animals which have nineteen pairs of chromosomes.
Explain the haplo-diploid method of sex determination in the honey bee.
There are five daughters and no son in a family. It is because
Which type of sex determination is observed in honey bee?
A woman has only daughters. Analyse the situation genetically and provide a suitable explanation.
