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
kenny6666 [7]
3 years ago
5

Why do homologous chromosomes crossover during pro prophase l?

Biology
1 answer:
Reil [10]3 years ago
3 0
Crossover occurs when two chromosomes, normally two homologous instances of the same chromosome, break and then reconnect but to the different end piece. If they break at the same place or locus in the sequence of base pairs, the result is an exchange of genes, called genetic recombination.
You might be interested in
Describe the process of natural selection
Keith_Richards [23]
Natural selection is the process in which the more favorable traits due to mutation that are in a select few in a population produce more offspring then others. An example of this is bacteria resistant to antibiotics due to the faster reproduction of the resistant bacteria over the non resistant ones
3 0
3 years ago
Read 2 more answers
The _____ is very useful for examining live specimens found in drops of water or thin slices of tissue such as skin or muscle.
Scrat [10]
A. Compound Light Microscope
7 0
3 years ago
Will gibe brainliest answer.
NNADVOKAT [17]

Answer:

The plant populations would be reduced

Explanation:

7 0
3 years ago
Which factor increases as a result of increasing altitude? air pressure, air density, height of sea level or space between gas m
Minchanka [31]

Answer:

space between gas molecules

Explanation:

as the altitude increases the air density decrease because of weaker gravity and these led to more distant of air molecule  and the space between gas is increased

6 0
3 years ago
Read 2 more answers
Organisms with advantageous adaptations are more likely to survive and reproduce than organisms without the advantageous adaptat
expeople1 [14]

Natural selection refers to the phenomenon by which the species in a population possessing the tendency to get adapted in a condition enhance in numbers in comparison to those who exhibit fewer adaptation capacities over a number of generations.  

In other words, it can be stated as the non-random and differential development of distinct genotypes function to sustain favorable variant and to eradicate less favorable variants. Some of the conditions are required for the process of natural selection to take place.  

These are heredity, reproduction, variation in individual characters, and variation in the fitness of organisms among the members of the population. If the conditions are met, then the phenomenon of natural selection occurs by default.  


5 0
4 years ago
Other questions:
  • How do you think this variation might affect the competition between the offspring?
    8·2 answers
  • Which could increase the amount of greenhouse gases in
    13·2 answers
  • Two insect groups vary genetically by two genes. When put together, they were able to reproduce and produce offspring that could
    12·2 answers
  • How does valence electron pooling explain why metals can be hammered into a sheet?
    8·1 answer
  • The maintenance of normal volume and composition of extracellular and intracellular fluids is vital to life. List and briefly de
    12·1 answer
  • Fresh water is abiotic or biotic ? Oxygen gas is abiotic or biotic
    7·1 answer
  • Help me pleaseeeeeeeeeeee
    7·1 answer
  • James is working with the lac operon of Escherichia coli (E. coli). He places the bacteria on a plate of growth media.
    15·2 answers
  • The rough endoplasmic reticulum and Golgi apparatus work together in eukaryotic cells. What is one way that the rough endoplasmi
    10·1 answer
  • Which of the following statements about meiosis is true?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!