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
Mademuasel [1]
3 years ago
14

Over the last several decades, the scientific community has gathered a large amount of information regarding genetics and geneti

c variation. What are two main sources that lead to increased genetic variation?(((((Both answers must be selected.))))) A) Selective breeding, B) Gamete mutations, C) Recombination, D) Genetic drift
Biology
2 answers:
emmasim [6.3K]3 years ago
8 0
I think the correct answers from the choices listed above are options B and C. The two main sources  that lead to increased genetic variation would be Gamete mutations and recombination. <span>Gametes mutations leads to change in DNA information, recombination allows mixture of genotypes.</span>
BartSMP [9]3 years ago
4 0

Answer:

B) Gamete mutations, C) Recombination

Explanation:

Any random changes in the DNA of gametes are called as gamete mutations. These mutations are transmitted to the next generation via gametes and thereby the genetic variations are increased.

Recombination is the production of new gene combinations. Crossing over during meiosis I of gamete formation add new gene combinations to gametes. Random fertilization of these gametes add even more genetic variations to the progeny.  

You might be interested in
During preshock, the compensatory stage of shock, the body, through sympathetic nervous system stimulation, will release catecho
Sliva [168]

Answer:

Brain

Explanation:

A shock is a medical condition which is caused when the body has the less available substrates for the aerobic respiration and shift to anaerobic cellular respiration.The shock takes place in four-stage in which the second stage is the compensatory stage.

During the compensatory stage, the sympathetic nervous system gets activated to shift back the respiration from anaerobic respiration to aerobic respiration.

The sympathetic nervous system releases the epinephrine and nor-epinephrine which acts on the kidney to maintain blood pressure. During this process, the Brain is not affected by the shock condition.

Thus, Brain is correct.

6 0
3 years ago
In a eukaryotic cell transcription results in a molecule of pre-mRNA that is modified to produce mRNA. in a prokaryotic cell tra
Studentka2010 [4]

Answer:

Prokaryotes do not have introns, eukaryotes have introns

Explanation:

Prokaryotes do not have introns, eukaryotes do. Introns are regions of DNA that are transcribed but not part of the final protein. They interrupt exons, which are the coding parts of the gene. These are only present in eukaryotes.

Introns need to be removed before the mRNA can be translated into the protein sequence. This occurs by a process called splicing. The splicing machinery binds the junction between introns and exons and excises the intron. The exons are then fused together to create the mRNA.

Other processing steps occur to the eukaryotic pre mRNA to prevent it from being degraded in the cell. This includes adding a cap to the 5' end of the protein, and adding a poly A tail to the 3' end. One these steps are complete, the eukaryotic mRNA is complete.

The prokaryotic mRNA undergoes transcription and translation simultaneously because it doesn't require these processing steps.

6 0
4 years ago
At the beginning of the night, the moon is low in the sky. Later in the night, it is high in the sky. Explain why the moon appea
jolli1 [7]

Answer:

C

Explanation:

I think it is C because the moon revolves around the Earth.

8 0
3 years ago
Read 2 more answers
The sebaceous glands are simple alveolar glands that secrete a substance known as sebum. The secretion of sebum is stimulated __
Sonbull [250]

Answer:

C. By hormones, especially androgens.

Explanation:

The secretion of sebum is stimulated by hormones. Especially androgens. Sebum can be defined as a complex mixture of lipids synthesized under hormonal stimulation under the sebaceous glands in the skin.  

Androgens can be defined as the sexual masculine hormones and they stimulate the sebaceous secretion docking into specific receptors located in the sebaceous follicle increasing the amount of produced sebum.  

6 0
3 years ago
40 Points!!
kondaur [170]
The value of q in p2= 0.49 is A.
0.49(2x0.7xq)+q2=1
1.4qxq2=0.51
1.4qxq=0.714
q+q=0.510
q=0.26
round it up to 3
5 0
3 years ago
Read 2 more answers
Other questions:
  • You and a friend are in line for a movie when you notice the woman in front of you sneezing and coughing. Both of you have been
    15·1 answer
  • Describe three alternative energy technology
    11·1 answer
  • The commonly used acronym for the condition of joint pain due to wearing down of the articular cartilage, sometimes resulting in
    13·1 answer
  • Proteins are synthesized at the ribosome and are often modified en route to their destination. How are these modified proteins m
    7·2 answers
  • Give An example of how a structure is related to function in living things
    6·1 answer
  • The pigment molecules responsible for photosynthesis are located in the ______
    10·1 answer
  • As we know that the leaves of plants are waterproof due to cuticle. On the same way, take
    12·1 answer
  • What is a problem with using wind turbines to produce energy?
    7·1 answer
  • DNA and RNA are ______ that serve as templates that form proteins
    14·1 answer
  • Which of the following is part of the Moneran Kingdom?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!