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Semmy [17]
3 years ago
8

Which of the following is the best example of gene flow? a) An earthquake kills most individuals in a tree population, leaving j

ust a few survivors. b) Wind blows pollen from one population of plants to another, and cross-fertilization occurs. c) Genes are shuffled by the crossing over of chromosomes during meiosis. d) A polyploid plant develops.
Biology
1 answer:
fredd [130]3 years ago
5 0

B

Gene flow is the transfer of genes/alleles from one population to another.

Explanation:

Gene flow adds to genetic diversity of the population into which the gene transfer occurred. In this case the pollen carries different forms of genes and alleles from the population it came from and when it cross-fertilizes with the new population, it adds to the genetic pool of the new population.

Another example of gene flow is through migration - the individuals of  from one population join another population and continue to mate randomly in the new population. The immigrants come with new alleles of genes that become amalgamated into the new population by cross-breeding.

Learn More:

For more on gene flow check out;

brainly.com/question/2698940

brainly.com/question/12564073

#LearnWithBrainly

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Answer:

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blagie [28]

Each fossil with the layer where it will be present based on are layer A-BIRDS, layer B -dinosaurs , layer C-amphibians, layer D-Corals ,layer E -trilobites.

<h3>What is the oldest fossil layer?</h3>

The Pilbara area of western Australia's Strelley Pool is home to the oldest known fossils. Stromatolites are fossilized mats of microorganisms wedged between sedimentary layers. The fossils have an age of 3.4 billion years.

<h3>How are the layers containing the fossils organized?</h3>

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5 0
1 year ago
What are some structures typically found in all cells
Nina [5.8K]
I think tissue or a nucleus
7 0
3 years ago
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Mademuasel [1]

Answer:

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Explanation:

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3 years ago
Multicellular colonies of plant cells adhere to each other primarily by ________, whereas multicellular colonies of animal cells
Marysya12 [62]

Multi cellular colonies of plant cells adhere to each other primarily by cell walls, whereas multi cellular colonies of animal cells are typically held together by proteins

<h3><u>Explanation:</u></h3>

The organisms that contains more than single single are called as multi cellular organisms. They are just opposite to the uni cellular organisms. When many identical organisms groups to form together it is called as colonies.

It will be difficult in removing any organisms that forms colonies with the multi cellular organisms.The multi cellular organism of the cells in the plants are bonded to each other with the help of the cells walls. In animal cells these are bounded together with the help of the proteins.

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