Which of the following processes contributes to the generation of new genetic combinations and variations in offspring?
Asexual reproduction
Vegetative propagation
Mitosis
Sexual reproduction
Related Questions
Identify the INCORRECT statement regarding Rh incompatibility:
The mother is Rh-negative and the fetus is Rh-positive.
Subsequent pregnancies are at higher risk if the fetus is Rh-positive.
Anti-Rh antibodies can cross the placenta.
The first pregnancy with an Rh-positive fetus in an Rh-negative mother is always severely affected.
Select the mismatch:
Equisetum - Homosporous
Pinus - Dioecious
Cycas - Dioecious
Salvinia - Heterosporous
What is the product of meiosis?
Diploid somatic cells
Haploid gametes
Diploid gametes
Haploid somatic cells
Reproduction is
Biological process of producing young ones
Non-biological process of producing young ones
Biological process of producing mature ones
None of the above
Which one of the following in&generates new genetic combinations leading to variation?
Nucellar polyembryony
Vegetative reproduction
Parthenogenesis
Sexual reproduction
Emasculation is concerned with
Hybridization
Clonal selection
Mass selection
Pure line selection
The transfer of pollen grains from the anther to the stigma is called:
Fertilization
Germination
Pollination
Dispersal
Which of the following events is NOT associated with the process of spermatogenesis?
Formation of a polar body
Differentiation of spermatids into spermatozoa
Meiotic divisions
Release of spermatozoa into the seminiferous tubules
Diploid zygote is universal in
All sexually reproducing organisms
All asexually reproducing organisms
All sexually and asexually reproducing organisms
All plants and animals
Where does syngamy occur in ……..
External medium
Internal medium
Both (a) and (b)
None of these
