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mina [271]
3 years ago
5

3. Characteristics that are harmful to a species tend to decrease in frequency from generation to generation because these chara

cteristics usually
Biology
1 answer:
kozerog [31]3 years ago
5 0
This is because these characteristics normally have a low survival value for the species. Natural selection is a process that causes heritable traits that are helpful for survival and reproduction to become more common, and more harmful traits to become rare. This occurs because organisms with advantageous traits pass on more of these heritable traits to the next generation.
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When is it acceptable to touch ready to eat foods with bare hands?
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After you wash your hands with soap and water, it should be acceptable.

6 0
3 years ago
What is the allele frequency?
Keith_Richards [23]

Allele frequency is a measure of the relative frequency of an allele on a genetic locus in a population.

Usually it is expressed as a proportion or a percentage.

In population genetics, allele frequencies show the genetic diversity of a species population or equivalently the richness of its gene pool.

The frequencies of all the alleles of a given gene often are graphed together as an allele frequency distribution histogram.

Population genetics studies the different "forces" that might lead to changes in the distribution and frequencies of alleles - in other words, to evolution.

Besides selection, these forces include genetic drift, mutation and migration.

3 0
3 years ago
Read 2 more answers
Select the reasons why organisms are classified. Check all that apply.
igor_vitrenko [27]

Answer:

<u>A, C, D, E</u>

Explanation:

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4 0
3 years ago
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In order to test the implications of early emotional bonding, scientists have done testing on infant emotionality by separating
timofeeve [1]

In order to test the implications of early emotional bonding, scientists have done testing on infant emotionality by separating animal babies from their natural mothers, allowing them to be raised by another of their same species. This testing strategy is called Cross fostering

  • Transfer of children between mothers is known as cross-fostering. This method is used to distinguish between environmental and genetic impacts on behavior.
  • Transferring some freshly born or hatched young of species A from their mother nest to the nests of species B is the primary process of cross-fostering.
  • A behavior can be proven to have a genetic foundation if cross-fostered offspring have a behavioral attribute that is distinct from that of their foster parents and similar to that of their biological parents.
  • Similarly, environmental variables are proven to be dominating if the offspring exhibits qualities that are different from those of their biological parents and comparable to those of their foster parents.
  • There is frequently a combination of the two, demonstrating both genes.
  • This can be utilized in selective livestock breeding to combine desirable genetic traits like weight, fat distribution, or looks with ones that are influenced by the environment, like temper.

learn more about Cross fostering here: brainly.com/question/8908083

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6 0
2 years ago
Please help jdixnwjdj
Ksivusya [100]

Answer: Homeostasis

Explanation: One way that a cell maintains homeostasis is by controlling the movement of substances across the cell membrane. The lipid bilayer is selectively permeable to small, nonpolar substances. Proteins in the cell membrane include cell-surface markers, receptor proteins, enzymes, and transport proteins.

6 0
3 years ago
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