Advertisements
Advertisements
प्रश्न
What is parthenogenesis?
Advertisements
उत्तर
The process by which a female produces offspring from unfertilized eggs is known as parthenogenesis.
APPEARS IN
संबंधित प्रश्न
The exchange of genetic material takes place in :
(a) vegetative reproduction
(b) asexual reproduction
(c) sexual reproduction
(d) budding
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
Drone of the honeybees shows haploid number of chromosomes. Illustrate.
What is Lyonisation?
Explain the mode of sex determination in honeybees.
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 |
Which of the following decides the sex of the child?
A zygote which has an X-chromosome inherited from the father will develop into a
How is the sex of a newborn individual determined in different species of animals? Give three examples to support your answer.
