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Question
ZW-ZZ system of sex determination occurs in
Options
Fishes
Reptiles
Birds
All of these
Solution
All of these
RELATED QUESTIONS
If X chromosome is inherited from mother and Y from father, the offspring will be male.
How is the sex of the child determined in human beings?
There are two sets of chromosomes in the zygote.
Fill in the following blank with suitable word :
The...............chromosomes for a ............are XX whereas that for a ..............are XY.
The two versions of a trait (character) which are brought in by the male and female gametes are situated on :
(a) copies of the same chromosome
(b) sex chromosomes
(c) two different chromosomes
(d) any chromosomes
Both father and mother have the genes Ee in their cells. What colour are their eyes?
Why did T. H. Morgan select Drosophila melanogaster to study sex linked genes for his lab experiments ?
Write the functional activity of the following structure:
Heterosomes
Short Answer Question.
“Father is responsible for determination of sex of child and not the mother”. Justify.
Explain the mechanism of sex determination in humans with a suitable chart.
Differentiate Intersexes from Supersexes.
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.
Which type of sex determination is observed in honey bee?
Which of the following organisms has haploid number of chromosomes?
Chromosomal constitution of normal human females can be written as ______.
The number of pairs of sex chromosomes in the zygote of a human being is ______
Which of the following determines the sex of a child?
The two versions of a trait (character) which are brought in by the male and female gametes are situated on
Female heterogamy is shown by
Name the two types of gametes produced by men.
