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प्रश्न
Name any two genetic in humans.
उत्तर
Colour-blindness, Thalassaemia, Sickle cell anaemia and Haemophilia
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संबंधित प्रश्न
How is the sex of the child determined in human beings?
Does genetic combination of mother play a significant role in determining the sex of a new born baby?
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
Name two animals which have nineteen pairs of chromosomes.
Choose the correct answer:
Chromosomes identical in male and female are called __________
Match the items of Column I with Column II:
| Column I | Column II | ||
| i. | XX-XO method of Sex Determination | a. | Turner syndrome |
| ii. | XX-XY method of Sex Determination | b. | Female heterog ametic |
| iii. | karyotype-45 | c. | Grasshopper |
| iv. | ZW-ZZ method of Sex Determination | d. | Female homogametic |
The ‘X’ body of Henking was observed in ______.
Which of the following is incorrect regarding ZW - ZZ type of sex determination?
Grasshopper is an example of XO type of sex determination in which the males have ______.
Also describe as to, who determines the sex of an unborn child? Mention whether temperature has a role in sex determination.
