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प्रश्न
Also describe as to, who determines the sex of an unborn child? Mention whether temperature has a role in sex determination.
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उत्तर
As a rule the heterogametic organism determines the sex of the unborn child. In case of humans, since males are heterogametic it is the father and not the mother who decides the sex of the child. In some animals like crocodiles, lower temperature favour hatching of female offsprings and higher temperatures lead to hatching of male offsprings.
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संबंधित प्रश्न
Write notes on sex determination in the unborn baby.
Fill in the following blank with suitable word :
Genes always work in ................ .
Fill in the following blank with suitable word :
The...............chromosomes for a ............are XX whereas that for a ..............are XY.
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
________ shows haplo-diploid type of sex-determination.
Choose the correct answer:
A man can transfer his sex-linked gene to his ______________
Give Technical Term:
The cell which determines the sex of a baby.
Explain the haplo-diploid method of sex determination in the honey bee.
How drones are produced in honey bees?
Distinguish between heterogametic and homogametic sex determination systems.
What is Lyonisation?
Brief about female heterogamety.
How many ovum are formed when a diploid cell undergoes meiosis, during oogenesis?
Number of autosomes present in liver cells of a human female is ______.
Which of the following determines the sex of a child?
A woman has only daughters. Analyse the situation genetically and provide a suitable explanation.
The chromosomal constitution of a human female can be written as ______
Which of the following group shows ZW-ZZ type of sex determination?
