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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
"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.
________ shows haplo-diploid type of sex-determination.
Explain the mechanism of sex determination in birds.
ZW-ZZ system of sex determination occurs in
How is sex determined in human beings?
Identify the female heterogamety from the chromosomal complements given below.
Read the following statements and select the correct option.
i. If sperm containing Y chromosome fertilizes the ovum, then diploid zygote is formed that grows into a male child.
ii. If sperm containing X chromosome fertilizes ovum, then diploid zygote is formed, that grows into a female child.
Diploid larvae which get royal jelly as food develops into ____________ and other develops into workers (sterile females).
Select the incorrect statement
Which of the following group shows ZW-ZZ type of sex determination?
