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प्रश्न
XO type of sex determination and XY type of sex determination are examples of ____________.
पर्याय
Male heterogamety
Female heterogamety
Male homogamety
Both Female heterogamety and Male homogamety
उत्तर
XO type of sex determination and XY type of sex determination are examples of Male heterogamety.
संबंधित प्रश्न
Explain the mechanism of sex determination in birds.
Which of the two, sperm or ovum, decides the sex of the child?
Which of the following combinations of sex chromosomes produce a male child : XX or XY?
The number of pair(s) of sex chromosomes in the zygote of humans is :
(a) one
(b) two
(c) three
(d) four
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
In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosomes is/are :
(i) large chromosome
(ii) small chromosome
(iii) Y chromosome
(iv) X chromosome
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
Complete the following sentence with appropriate word:
___________ chromosomes do not take part in sex determination.
How drones are produced in honey bees?
How is sex determined in human beings?
Which of the following organisms has haploid number of chromosomes?
Chromosomal constitution of normal human females can be written as ______.
Haplodiploidy is found in ______.
A man with blood group A marries a woman having blood group O. What will be the blood group of the child?
Which of the following is an example of genetic variation?
If a normal cell of the human body contains 46 pairs of chromosomes then the numbers of chromosomes in a sex cell of a human being is most likely to be ______
A trait in an organism is influenced by
Fill the blank circles in figure and identify the sex of child A and B.
The sex chromosome in a human ovum is ______.