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Question
What is male heterogamety?
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Solution
Male heterogamety (XY males) is a type of sex determination in which males produce two different types of gametes. For example, human males produce two kinds of sperms that is sperm with X- chromosome and sperms with Y- chromosome.
RELATED QUESTIONS
Write notes on sex determination in the unborn baby.
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
E is the gene for brown eye colour and an is the gene for blue eye colour. which gene is (1) recessive, and (2) dominant?
Complete the following sentence with appropriate word:
______are the alternative forms of a gene producing different effects.
Distinguish between heterogametic and homogametic sex determination systems.
Grasshopper is an example of XO type of sex determination in which the males have ______.
A zygote which has an X-chromosome inherited from the father will develop into a ______.
Which of the following determines the sex of a child?
What is sex determination? Explain the mechanism of sex determination in the case of birds.
