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
Helga [31]
2 years ago
6

Why is a 50 percent recovery of single-crossover products the upper limit, even when crossing over always occurs between two lin

ked genes?
Biology
1 answer:
34kurt2 years ago
6 0

Answer:

Because of homologous recombination

Explanation:

  • When genes are establish on different DNAs or far apart on the same chromosome, they are classified self-sufficiently and are said to be unlinked.
  • When genes are very close together on the same chromosome, they are said to be linked. That means that alleles, or genetic versions, that are already together on a chromosome will be inherited as a unit more often than not.
  • We can see if two genes are linked, and how closely, by using data from genetic crosses to calculate the frequency of recombination.
  • Using the technique of discovery recombination happenings for numerous gene pairs, we can make link maps that show the order and relative distances of the genes on the chromosome.

  • When the genes are on the same chromosome but far apart, they are classified independently due to crossing (homologous recombination). This is a procedure that happens at the start of meiosis, in which homologous DNAs randomly exchange matching fragments. Crossing be able to connection new alleles in combination on the same chromosome, causing them to enter the same gamete. When the genes are far apart, the crossing occurs with sufficient frequency for all types of gametes to occur with 25% percentage frequency.
  • When the genes are very close together on the same chromosome, the crossing still occurs, but the result (in terms of the types of gametes produced) is different. Instead of being classified independently, genes tend to "stay together" during meiosis. That is, alleles of genes that are already together on a chromosome will tend to pass as a unit to gametes. In this case, the genes are linked

You might be interested in
Highly contagious or transmissible disease and has the potential for very rapid spread irrespective of national borders, causing
butalik [34]

Answer:

Transboundary

Explanation:

Transboundary refers to a highly contagious disease that has the potential to spread extremely rapid irrespective of national boundary. They cause high mobility and motility in the susceptible animals. An example of such diseases include Avian Influenza and the African Swine flu.

Zoonotic disease is disease that can be transmitted from animals to Humans example anthrax.

Exotic disease refers to a disease that does not normally occur in a particular region

Emerging diseases are those that have recently appeared and are cases are rapidly increasing.

Epizootic are those that appear in a large number of animals in the same place at the same time

7 0
3 years ago
Actin filaments are part of the contractile machinery in smooth muscle cells of eukaryotic organisms. Which organelle is respons
TEA [102]
<span>The interaction of motor proteins such as dynein, is responsible for the movement of organelles in cells which uses energy to move parts of the cytoskeleton.  Cytoskeleton is a network of intermediate filaments, microtubules and microfilaments that outspread throughout the cytoplasm and serve a variety of signaling, transport and mechanical functions.</span>



8 0
3 years ago
A man with Type A blood marries a woman with Type A8 blood. According to predicted outcomes based on genetics their children may
RSB [31]

Answer:

type AB

Explanation:

because you can write type A blood with two big I with A antigens or a big I and a small i

3 0
2 years ago
What are three ways RNA differs from DNA
valentinak56 [21]
1. DNA is a double-stranded molecule, while RNA is a single-stranded molecule.
2. DNA is responsible for storing and transferring genetic information, while RNA directly codes for amino acids and acts as a messenger between DNA and ribosomes to make proteins.
3. DNA contains the sugar deoxyribose, while RNA contains the sugar ribose
7 0
2 years ago
What is a unicellular eukaryote
fenix001 [56]
Unicellular eukaryotes<span> are </span>single-celled<span> organisms, all of which were traditionally classified in the kingdom Protista. The term "</span>unicellular" denotes that these organisms have only one cell, while the term "eukaryote<span>" means that each of these cells has a nucleus -- and other organelles -- held in place by membranes.</span>
7 0
3 years ago
Other questions:
  • In both photosynthesis and respiration, an electrochemical proton gradient drives chemiosmosis. what establishes the electrochem
    13·1 answer
  • Coral reefs form in which portion of the continental margin?
    15·1 answer
  • The process of cellular respiration
    9·2 answers
  • can be used by cells to store energy, form biological membranes, and serve as chemical messengers. A) Carbohydrates B) Fructose
    8·1 answer
  • What happens when then the rabbits populations increased?
    14·1 answer
  • What is does H2o stand for​
    11·1 answer
  • We can predict the ways organisms will interact in different ecosystems by comparing the ________ they fill.
    11·2 answers
  • the natural balance between. pray and predator has been increasingly -----, usually because of the human intervention. a, recogn
    8·2 answers
  • Where are haploid cells found?
    15·2 answers
  • Explain the advantages of red blood cells passing through a capillary one at a time.
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!