1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mariarad [96]
3 years ago
7

Crossing over is a very important event in prophase 1 of meiosis! What happens during crossing over and what is the significance

?
Biology
1 answer:
erica [24]3 years ago
4 0

The term ‘Crossing over’ was used by Morgan and Cattell. It is a process in which there is exchange of chromosome segments between non-sister chromatids of a homologous chromosomes. It occurs during pachytene stage of prophase I of meiosis cell division.

Significance of crossing over:

  • Crossing over provides genetic variation in all sexually reproducing organisms.
  • It creates new combination of genes or genetic recombination and produces hybrids.    

You might be interested in
Sugar is stirred into water to form a solution. In this case, what names do we give to the sugar and water? A. sugar is the solu
Lerok [7]
<span>A solution is the mixture of two or more substances. One of them is called the solute and the other is the solvent. A solute is the substance to be dissolved (sugar). The solvent is the one doing the dissolving (water). Therefore, suder is the solute and water is the solvent. Option C is the correct answer.</span>
3 0
3 years ago
HURRY PLZ THIS IS MY LAST QUESTIONThe plants shown bloom in summer
Brums [2.3K]

Answer:

The nights are shorter.

Explanation:

Summer normally begins on June 21 and ends on September 20 in the northern hemisphere. This season is characterized by the higher temperatures of the year than sloping, and in which both animals and plants are more active. Summer is characterized by the days being longer than the nights.

7 0
3 years ago
What are the key features of a specialist lab
Ber [7]
<span>Compare a country culture to an iceberg 100 world and yes

</span>
7 0
3 years ago
Guys im stuck on this question
vladimir2022 [97]

Answer:

D

Explanation:

once again sorry if you get it wrong but we were learning about mutations in class so i think so

ehehe

8 0
3 years ago
Formation of a pedtide bond makes
lara [203]

Answer:

A peptide bond is a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water (H2O).

Explanation:

This is a dehydration synthesis reaction (also known as a condensation reaction), and usually occurs between amino acids.

7 0
3 years ago
Other questions:
  • Chronic lymphocytic leukemia (cll) commonly causes hypogammaglobulinemia. this makes clients with cll more susceptible to infect
    13·1 answer
  • State the characteristic of tracheoles that help with gaseous exchange<br>in insects.​
    11·1 answer
  • How many total, non-unique alleles are there for each gene in a population of 250 humans?
    10·2 answers
  • A top priority of the Federal Bureau of Investigation (FBI) is protecting Internet users from what?
    5·2 answers
  • What is the term we use to describe the cell membrane based on how it lets things into and out of the cell??
    14·1 answer
  • which aquatic ecosystem typically forms along coastlines where freshwater and saltwater meet, leading to varying degrees of sali
    12·2 answers
  • Which functions are aided by swimmerets in crustaceans? Check all that apply. attachment to host gas exchange prey capture repro
    13·1 answer
  • Answer please! I'll give brainlist
    11·1 answer
  • Why are antibiotics unhelpful for treating the common cold ?
    6·2 answers
  • Knowing that greenhouse gases are contributing to climate change, how can we
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!