Leptontene and zygotene, Biology

Assignment Help:

Leptontene:

  • The chromosomes becomes visible, shorten and thick.
  • The size of the nucleus increase.
  • The homologous chromosomes start getting closer to each other.

Zygotene:

  • Paternal and maternal chromosomes come together and pair up.
  • This pairing of homologous chromosomes is called synapsis.
  • This pairing is highly specific and exact point for point, but with no definite starting points.
  • The paired chromosomes are described as bivalents or tetrad.

Related Discussions:- Leptontene and zygotene

Db is a standard abbreviation, DB is a standard abbreviation used for the q...

DB is a standard abbreviation used for the quantitative expression of: 1. the density of bacteria in a medium 2. a particular pollutant 3. the dominant Bacillus in a cultu

Phylum protozoa, Make a detailed study on phylum protozoa taking an example...

Make a detailed study on phylum protozoa taking an example with clear labeled diagram

What is the molecular formula of glucose, What is the molecular formula of ...

What is the molecular formula of glucose? How can its structural formula be described? The molecular formula of glucose is C6H12O6. Structurally glucose is a hexagonal ring

What are anteromedial aspects of temporal lobes, Q. What are anteromedial a...

Q. What are anteromedial aspects of temporal lobes? Olfactory Cortex - found in anteromedial aspects of temporal lobes receive sensory information directly from the olfactory n

Explain gonorrhea, Gonorrhea Single doses of cefixime (Suprax) orally ...

Gonorrhea Single doses of cefixime (Suprax) orally or ceftriaxone  (Rocephin)  intramuscularly (IM) are highly effective for uncomplicated anogenital or pharyngeal infection,

Dissolved oxygen - aquatic habitats, Dissolved oxygen - Aquatic Habitats ...

Dissolved oxygen - Aquatic Habitats Oxygen in the terrestrial ecosystems occurs in the atmosphere along with other gases in a certain fixed concentration however, in aquatic e

Pressure flow mechanism for translocation, experiments that support pressur...

experiments that support pressure flow as a mechanism for translocation

Define about the eukaryotic cell, The eukaryotic cell The eukaryotic ce...

The eukaryotic cell The eukaryotic cell is a complex unit and contains many structural features not seen in in the simple prokaryotic cell. Fig below shows the details of vario

Bones, which bone forms the non-moving muscle attachment in the hip joint

which bone forms the non-moving muscle attachment in the hip joint

Reproductive system of asteroidea, Reproductive System of Asteroidea S...

Reproductive System of Asteroidea Sexes are separate in several asteroids. There are ten (10) gonads, two in each arm. They emerge tuft-like or as cluster of grapes. Mature go

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd