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
jonny [76]
3 years ago
5

Two populations of mice exist on either side of a river. After a bridge is constructed across the river, the two populations com

e to resemble each other more.
What is the most likely explanation for this?

A) Stabilizing selection
B) Directional selection
C) Gene flow
D) Genetic drift
E) Nonrandom mating
Biology
1 answer:
Ymorist [56]3 years ago
7 0

Answer:

C) Gene flow

Explanation:

Gene flow refers to the movement of alleles between local populations. It results from the migration of individuals. Two adjacent populations can exhibit gene flow due to the mating between their individuals and can have significant evolutionary consequences as it does not allow the reproductive isolation of these populations. In the given example, the two mice populations are present on either side of a river. Mating between the mice of the two populations resulted in gene flow and maintained resemblance among their members.

You might be interested in
Did jesus atually come back from on easter
Natali5045456 [20]

Answer:

I think so

Explanation:

if I rember right

3 0
3 years ago
Identification of key microRNAs and the underlying molecular mechanism in spinal cord ischemia-reperfusion injury in rats
alexdok [17]

The underlying molecular processes for 19 important DE miRNAs in the etiology of SCII were confirmed. The DE miRNAs could serve as potential intervention targets for SCII. Additionally, blocking microRNAs-3568 reduced apoptosis and preserved hind limb function after SCII, possibly via modulating GATA6, GATA4, and RBPJ in SCII.

microRNAs:

  • Short non-coding RNAs called miRNAs (microRNAs) control post-transcriptional gene expression.
  • SCII (spinal cord ischemia-reperfusion damage) is a medical condition that can lead to paralysis and paraplegia, among other serious effects. The development of SCII is influenced by aberrant microRNAs expression. Different microRNAs expression results could be caused by variations in the experimenters, filtering circumstances, control choice, and sequencing platform.
  • The purpose of this study is to investigate the important differently expressed microRNAs (DE miRNAs) and the underlying molecular mechanism in SCII by methodically analyzing the available SCII microRNAs expression data. A thorough bioinformatics study of 23 representative rat SCII miRNA datasets from PubMed was carried out. On mi RDB, the target genes of important DE miRNAs were predicted.
  • Functional enrichment and transcription factor binding analyses using the DAVID and T Fact S databases. Nine were increased (miR-144-3p, miR-3568, miR-204, miR-30c, miR-34c-3p, miR-155-3p, miR-200b, miR-463, and miR-760-5p) and ten were downregulated (this study found 19 important DE miRNAs involved in SCII) (miR-28-5p, miR-21-5p, miR-702-3p, miR-291a-3p, miR-199a-3p, miR-352, miR-743b-3p, miR-125b-2-3p, miR-129-1-3p, and miR-136).Target genes of the increased DE miRNAs underwent KEGG enrichment analysis, which identified the pathways primarily involved as being the cGMP-PKG and cAMP signaling pathways. According to KEGG enrichment analysis of the downregulated DE miRNAs' target genes, the main signaling pathways involved were the Chemokine and MAPK signaling pathways. The target genes of the increased DE miRNAs were clearly enriched in biological processes such brain development and the positive control of transcription from RNA polymerase II promoter, according to GO enrichment analysis.
  • The majority of the target genes of the downregulated DE miRNAs were enriched in biological processes such intracellular signal transmission and the inhibition of cell growth. The transcription factor study revealed that the four transcription factors, SP1, GLI1, GLI2, and FOXO3, had significant regulatory effects on the main DE miRNAs' target genes. MiR-3568 stood out among the elevated DE miRNAs as being particularly intriguing. SCII results in significant neurological deficiencies in the lower extremities, but miR-3568 anti-miRNA oligonucleotides (AMOs) enhance neurological performance. When compared to the sham group, cleaved caspase-3 and Bax were significantly elevated in SCII, however the overexpression was inhibited by miR-3568 AMO. In contrast to cleaved caspase-3, Bcl-2 expression levels exhibited a pattern. Following the attenuation of this increase by SCII and microRNAs-3568 AMO, the expression of GATA6, GATA4, and RBPJ reduced.

Learn more about microRNAs here brainly.com/question/14979443

#SPJ4

8 0
2 years ago
remember to imagine that blood in the heart is color-coded according to its oxygenation status. What color of blood would you ex
Vinvika [58]

Answer:

Red blood.

Explanation:

Red blood is for oxygenated blood, while blue blood is for deoxygenated blood.

The blood in Isabelle's left ventricle would be red, in other words, oxygenated. The left ventricle has oxygenated blood because this blood was first in the right ventricle. Then, it went to the pulmonary arteries, which led the blood to the capillaries close to the alveoli in the lungs. In this area, the deoxygenated blood dropped the CO₂ and took O₂ becoming oxygenated blood. Now, this blood is color-coded red and will go to the pulmonary venules, then to the pulmonary vein, and from there, it will go to the left atrium. Lastly, it will go to the left ventricle to start the systemic circulation, which is the one that distributes the oxygenated blood in the body.

3 0
3 years ago
Harry notices that one of his houseplants does not grow very well compared to his other houseplants. He asks himself “What is di
Ugo [173]
The correct answer is C. "when Henry ask "what is different with this plant that does not grow very well compared with the other house plants?" "
5 0
3 years ago
Which photoreceptor is responsible for viewing your plate at the dinner table?
Bogdan [553]
I would say Cone cells are responsible for this 

6 0
3 years ago
Other questions:
  • How does the water inside plants return to the atmosphere?
    6·2 answers
  • Where is the best place to find information about the hazards that are associated with a compound
    7·1 answer
  • What is contamination?
    13·1 answer
  • Susan tells Jacob that the flour jar is in the cupboard under the sink. Which among the vital functions of human language is bei
    15·2 answers
  • List the ways in which tadpoles turn to frogs
    15·1 answer
  • Which feature is common to all planets<br> a core<br> b crust<br> c mantle
    9·2 answers
  • Hunt and her team designed an experiment to test her hypothesis about the effect of BPA on mice. They administered daily doses o
    13·1 answer
  • Which organelle is responsible for producing the energy for cellular processes?
    6·1 answer
  • 4. Which are supposed to be healthier for humans to consume, saturated fats or unsaturated fats? Hypothesize what the types of b
    13·1 answer
  • WHY IS A FOSSIL FOUND IN MULTIPLE LAYERS OF ROCK (TIME PERIODS) NOT CONSIDERED A RELIABLE INDEX FOSSIL?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!