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Question
XO type of sex determination and XY type of sex determination are examples of ____________.
Options
Male heterogamety
Female heterogamety
Male homogamety
Both Female heterogamety and Male homogamety
Solution
XO type of sex determination and XY type of sex determination are examples of Male heterogamety.
RELATED QUESTIONS
Explain sex determination in human beings.
How is the sex of the child determined in human beings?
Which of the following combinations of sex chromosomes produce a male child : XX or XY?
Fill in the following blank with suitable word :
Genes always work in ................ .
In a human, how many chromosmes are present in a brain cell?
In a human, how many chromosmes are present in a sperm in the testes?
In a human, how many chromosmes are present in a fertilised egg?
A zygote which has inherited an X chromosome from the father will develop into :
(a) baby boy
(b) baby girl
(c) adult
(d) either boy or girl
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?
Which combination of genes in the zygote will produce children with brown eyes?
Write the functional activity of the following structure:
Heterosomes
Explain the mechanism of sex determination in humans with a suitable chart.
Which of the following develops through parthenogene is?
Chromosomal constitution of normal human females can be written as ______.
A zygote which has an X-chromosome inherited from the father will develop into a ______.
Which of the following decides the sex of the child?
A trait in an organism is influenced by
All human chromosomes ate not paired. Most human chromosomes have a maternal and a paternal copy, and we have 22 such pairs. But one pair called the sex chromosomes, is odd in not always being a perfect pair. Women have a perfect pair of sex chromosomes. But men have a mismatched pair in which one is normal sized while the other is a short one.
(a) In humans, how many chromosomes are present in a Zygote and in each gamete?
(b) A few reptiles rely entirely on environmental cues for sex determination. Comment.
(c) "The sex of a child is a matter of chance and none of the parents are considered to be responsible for it." Justify it through flow chart only.
OR
(c) Why do all the gametes formed in human females have an X chromosome?
What is sex determination? Explain the mechanism of sex determination in the case of birds.
How is the sex of a newborn individual determined in different species of animals? Give three examples to support your answer.
