What is crossing over, Biology

Assignment Help:

What is crossing over? In which period of meiosis does this event occur?

Crossing over is the eventual exchange of chromosomal fragments among homologous chromosomes. The phenomenon happens in prophase I when homologous chromosomes are paired. Crossing over is of great importance for evolution and biodiversity as it provides recombination of alleles (of dissimilar genes) linked in the same chromosome during cell divison by meiosis.

Cell Division Review - Image Diversity: crossing over

 


Related Discussions:- What is crossing over

Explain the copper toxicity in human, Explain the Copper Toxicity in Human?...

Explain the Copper Toxicity in Human? Acute copper toxicity in humans is rare and occurs due to inadvertent consumption of copper salts. Symptoms include vomiting, diarrhoea, h

Define casein - tests for presence of exoenzymatic activity, Define Casein ...

Define Casein - Tests for Presence of Exoenzymatic Activity? Casein is a major milk protein composed of various amino acids linked through peptide bonds. Extra-cellular enzyme

Becoming online tutor, how can i work with u as an online biology tutor?

how can i work with u as an online biology tutor?

Write down a dna palindrome, Write a DNA palindrome or inverted repeat of a...

Write a DNA palindrome or inverted repeat of at least 10 nucleotides in length.

Define the basic types of drying process, Define the Basic Types of Drying ...

Define the Basic Types of Drying Process? Primarily, there are three basic types of drying process: a) Sun drying and solar drying;  b) Atmospheric drying including batch

Target tissues and organs of each adenohypophyseal hormone, Q. What are the...

Q. What are the target tissues and target organs of each adenohypophyseal hormone? GH- bones, muscles and cartilages, Prolactin- mammary glands, ACTH- the cortical portion of t

What is severity of the oesophagitis, Q. What is severity of the oesophagit...

Q. What is severity of the oesophagitis? The severity of the oesophagitis resulting from oesophageal reflux is determined by the content of gastric reflux mucosal resistance,

What is the kind of digestive system of echinoderms, Q What is the kind of ...

Q What is the kind of digestive system of echinoderms? Echinoderms present a complete digestive system with anus and mouth. Q. Do sea urchins have teeth? Sea urchins ha

Expression of variability, In the preceding section we emphasised the fact ...

In the preceding section we emphasised the fact that cvolution or the continuous adaptations to the environment can take place only when pheiiotypes exhibit variability. In the abs

Which are the brain regions associated with memory, Which are the brain reg...

Which are the brain regions associated with memory? According to researchers some of the main regions of the nervous system associated with the memory phenomenon are the hippoc

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