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
Rasek [7]
2 years ago
14

What is crossing-over, during what phase does it occur, and what is its significance?

Biology
1 answer:
kondaur [170]2 years ago
4 0

Answer:

Crossing over is a biological occurrence that happens during meiosis when the paired homologs, or chromosomes of the same type, are lined up. Hope this helps :)

Explanation:

You might be interested in
Which organelle stores genetic information? Chloroplast Golgi apparatus Nucleus Ribosome
Mariulka [41]

Answer:

Nucleus

Explanation:

The Nucleus acts as the "brain" of the cell, working to store and replicate DNA.

6 0
3 years ago
Read 2 more answers
5. The Nucleolus is small, dense object found in the middle of the nucleus. It makes the RNA for the cell.
SIZIF [17.4K]

Answer:

b

Explanation:b

6 0
3 years ago
Blank to indicate other students about the deteriorating environmental conditions in the steps needed to improve the area also e
tangare [24]

<u>Complete Question:</u>

Water pollution and air pollution in an area have been steadily increasing. What can students do to address these environmental hazards?

_______ to educate other students about the deteriorating environmental conditions and the steps needed to improve the area. Also, encourage other students to volunteer for workshops about _______.

1.

A. Pass Laws

B. Organize Seminars

C. Create a Tax collection program

2.

A. Recycling and waste disposal

B. Poaching

C. Deforestation

<u>Correct Option:</u>

<u>Organize seminars</u> to educate other students about the deteriorating environmental conditions and the steps needed to improve the area. Also, encourage other students to volunteer for workshops about <u>deforestation</u>.

<u>Option:</u> B and C respectively.

<u>Explanation:</u>

As the environmental conditions are deteriorating day by day, thus it is necessary to train to boost upcoming generation for preserving it in most appropriate manner. For such actions awareness is necessary which should be encouraged by some volunteers of non-profit organization, environment protecting units of state and central, etc to conduct seminar in colleges and schools for students to make them understand the need of plantation and disadvantages of deforestation. The pattern to aware them should be remarkable, in order to create huge impact on the new generations towards green land.  

5 0
3 years ago
All of the following are problems caused by burning coal, except
yan [13]

Answer:

D)radioactive waste is produced

Explanation:

Radioactive waste is a dangerous waste material which contains radioactive substances that are bad for health. These waste are produced in the nuclear reactor for the production of electric energy. Radioactive substances cause many diseases in human such as burning of skin and cancer. It is a non-biodegradable substance which remains in the soil for long periods of time and emit alpha, beta and gamma radiations.

5 0
3 years ago
How does one-called organism grow ?
Alenkasestr [34]

Answer: Growing is capable to a certain living organism. Growth means getting larger in size, and for multi-cellular organisms this is done by making more cells. Plants have special tissues called meristems where growth occurs. Single celled organisms increase their numbers by dividing and making more cells like themselves.

Explanation:

7 0
3 years ago
Other questions:
  • Why do individual water masses within the oceans retain distinctive physical properties for long periods?
    15·1 answer
  • Explain how the water cycle works and describe how changes to the water cycle can impact the production of hydropower brainliest
    10·1 answer
  • The first several weeks after birth are a critical period because most major organs are forming.
    8·1 answer
  • g Which of the following statements is NOT true? A. Each variable site of a gene tree can be treated as an independent character
    14·1 answer
  • Why is photosynthesis also important for people and animals?
    9·2 answers
  • During transcription the DNA base sequence is transcribed into a complementary mRNA sequence. A codon table like the one shown b
    13·1 answer
  • I need to know why organisms that reproduce asexually would have the same alleles as the parent
    6·1 answer
  • Help me out with this​
    6·1 answer
  • Pleaze help ill mark brainliest
    11·1 answer
  • In pea plants, the trait for being tall (T) is dominant and the trait for being short (t) is recessive. Two heterozygous tall pe
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!