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]
2 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]2 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
The calcium and phosphorus balance should be kept at what ratio for swine?
mash [69]

Answer:

We determined that if phosphorus is provided at the required level of 0.33%, the optimal ratio of calcium to phosphorus is 1.39:1 or 1.25:1 to maximise daily gain and gain-to-feed, respectively. To optimise bone ash, which is important for breeding sows, the ratio is 1.66:1,”

Explanation:

6 0
3 years ago
David's diet is mostly made up of fried and processed foods. A blood test found that his was very high.
defon

David’s blood sugar was high

5 0
2 years ago
Read 2 more answers
In a dihybrid cross with genotypes JjQq and JJQq, what is the probability of getting an offspring with genotype JjQq?
valentina_108 [34]
There is a 1:4 chance of getting JjQq. The parent JjQq can produce four genotypes: JQ, Jq, jQ, and jq. the parent JJQq can produce two genotypes: JQ and Jq. When we do a punnett square: 
JJQQ, JJQq, JjQQ, JjQq, 
JJQq, JJqq, JjQq, and Jjqq
There are two JjQq. 
Two out of eight is one out of four. 


6 0
3 years ago
All organism in the kingdom Prostista, Plantae, Fungi, and Animalia are?
algol13

They are all eukaryotic, I hope this was the answer you were looking for :D

7 0
2 years ago
In scientific inquiry a stated possible explanation is called
Licemer1 [7]
Hello there,

The correct answer is:

C. Hypothesis

Hope this answer has helped you.


5 0
3 years ago
Read 2 more answers
Other questions:
  • How are the functions of veins and lymphatic vessels similar how are they different?
    12·1 answer
  • Why does DNA migrate to the positive electrode?
    15·1 answer
  • "the bacteria staphylococcus aureus has developed resistance to some antibiotic drugs. how did this resistance come about?"
    15·1 answer
  • Which technology are environmental scientists using to track gray wolves by their individual howls
    11·2 answers
  • Genetic variation leads to genetic diversity in populations and is the raw material for evolution. Biological systems have multi
    7·1 answer
  • Please Help Quick!
    6·1 answer
  • Which best explains how Deng Xiaoping modernized industry in China?
    8·2 answers
  • Matching pairs of chromosomes from the parents are called ____________
    7·1 answer
  • Describe how an active virus works. Describe how a hidden virus works. Include an example of each kind of virus.
    7·1 answer
  • Place the steps shown below in the correct order.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!