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

Nudation - processes in succession, Nudation - Processes in Succession ...

Nudation - Processes in Succession The first step or requirement is the availability of the right kind of habitat, primary succession takes place in a bare area, that is, with

Tissue organization and specialized organs, Q. Do plants have tissue organi...

Q. Do plants have tissue organization and specialized organs? Plants have specialized organs (like roots, limbs, reproductive organs, leaves) and differentiated tissues (suppor

Whcih animals are triploblastic, Which one of the following kinds of animal...

Which one of the following kinds of animals are triploblastic? 1. Flat worms 2. Sponges 3. Ctenophores 4. Corals Flat worms

Define the food microbiology, Define the Food microbiology, mycology and to...

Define the Food microbiology, mycology and toxicology? Use of yeasts, moulds and bacteria in production of foods and food ingredients; microbes in fermentation, processing and

Several types of steam sterilizer, The several types of steam sterilizers t...

The several types of steam sterilizers that are in use. 1. Lab Autoclave 2. Hospital dressing sterilizer 3. Bowl & instrument sterilizer 4. Rapid cooling sterilizer

Genetic, Ask quesIn Cross 1, pure-breeding colored, starchy kernel plants (...

Ask quesIn Cross 1, pure-breeding colored, starchy kernel plants (C1Wx/C1Wx) were crossed to plants pure-breeding for colorless, waxy kernels (c1 wx/c1 wx). The F1 of this cross we

What are the symptoms and signs of pericardial effusion, Q. What are the Sy...

Q. What are the Symptoms and Signs of pericardial effusion? Asymptomatic: Slowly accumulating small to moderate pericardial effusion may not cause significant elevation of intr

What are the symptoms of diabetes, What are the symptoms of diabetes H...

What are the symptoms of diabetes Healthy Person P takes a drug that produces a strong effect on the epithelial cells of the kidney collecting duct within one hour and lasts f

Operative requirements for stage i surgery, Operative requirements for stag...

Operative requirements for stage i surgery Although Implant placement under general anesthesia must be done in an operating theatre with complete resources, most implant surger

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