During oogenesis in mammals, polar bodies are formed. Which statement best describes the function of polar bodies?
To provide nutrients to the developing oocyte.
To allow for the reduction of chromosome number while retaining most of the cytoplasm in the oocyte.
To initiate the process of fertilization.
To guide the sperm towards the oocyte.
Related Questions
Intussusception is
Removal of old material from cell wall
Deposition of new material into cell wall during differentiation
Deposition of new material into cell wall during cell division
Another name of cell division
Efficiency index in the exponential phase of geometrical growth is the ability of plants to produce
Cell wall
New enzyme
New plant material
Young ones through mitosis
During embryonic development, the formation of the three germ layers (ectoderm, mesoderm, and endoderm) is known as:
Cleavage
Organogenesis
Neurulation
Gastrulation
Phellem is formed by phellogen through
Differentiation
Dedifferentiation
Redifferentiation
Plasticity
Environment heterophylly is seen in
Cotton
Coriander
Larkspur
Buttercup
Heterophylly can be observed in
I. cotton
II. coriander
III. larkspur
Select the right option
I, II and III
I and II
II and III
I and III
Which extraembryonic membrane in mammals is involved in the formation of the placenta?
Amnion
Yolk sac
Allantois
Chorion
Unlike the formation of vascular tissues from procambium, the development of interfascicular cambium from parenchyma cells represents:
Redifferentiation
Dedifferentiation
Differentiation
Cell maturation
Heterophylly can be observed in
I. cotton
II. coriander
III. larkspur
Select the right option
I, II and III
I and II
II and III
I and III
The transformation of a larva into an adult through drastic changes is termed:
Embryogenesis
Gametogenesis
Regeneration
Metamorphosis
