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

Common disease of goats, COMMON DISEASE OF GOATS - 1 .       ANTHRAX ...

COMMON DISEASE OF GOATS - 1 .       ANTHRAX 2 .       FOOT & MOUTH DISEASE 3 .       CONTAGIOUS PNEUMONIA - Characterized by pneumonia & pleurisy, cough, snee

Features of estuaries, Features of Estuaries The physicochemical prop...

Features of Estuaries The physicochemical properties of the estuaries have large variation in several parameters and this often creates stressful environment for organisms. T

Endodontics principles and practice, Endodontics principles and practice ...

Endodontics principles and practice According to American association of endodontic, retreatment defined as:A procedure to remove root canal filling materials from the tooth vi

Define the intracellular cyclic amp, Define the intracellular cyclic AMP ...

Define the intracellular cyclic AMP Healthy Person P takes a drug that makes a strong effect on the epithelial cells of the kidney collecting duct within one hour and lasts fo

Prevalence of coronaru heart diseases, Q. Prevalence of coronaru heart dise...

Q. Prevalence of coronaru heart diseases? Incidence of obesity, diabetes and CHD is increasing in India in almost all age groups. At present, obesity, which is a major risk fa

Liquid fuels, Petroleum Liquid fuels are widely used for industrial and...

Petroleum Liquid fuels are widely used for industrial and domestic purposes. Almost all internal combustion engines run on liquid fuels. Liquid fuels are also used in heat gene

Explain about the vascular tissues, Is transportation of gases in tracheoph...

Is transportation of gases in tracheophytes made through the vascular tissues? Carbon dioxide and oxygen are not transported by the xylem or phloem. These gases reach the cells

Define precautions for preparation of phosphate buffers, Define Precautions...

Define Precautions for Preparation of Phosphate Buffers? 1. Glass electrodes should always be dried before and after measuring pH with a tissue paper. 2. The pipettes should

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