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
lord [1]
3 years ago
11

What influences other than humans affect genetic drift in populations?

Biology
1 answer:
Lelu [443]3 years ago
5 0

Answer:

Every population experiences genetic drift, but small populations feel its effects more strongly. Genetic drift does not take into account an allele's adaptive value to a population, and it may result in loss of a beneficial allele or fixation (rise to 100% frequency) of a harmful allele in a population.

Explanation:

You might be interested in
1. Which male, must<br> be the biological<br> parent of this<br> offspring?
NeX [460]

The father of this offspring should be male 3. It is the only individual that exhibits certain molecular genetic markers present in the offspring but absents in the mother.

<h3>Genetic markers</h3>

A molecular genetic marker is a fragment of DNA that can be used to trace the inheritance pattern from parents to offspring.

In this case, parents and offspring exhibit three molecular markers which are shared among them.

There are certain genetic markers that are present in the offspring but they are absent in one of the parents, and therefore they can be used to trace the inheritance pattern.

Learn more about genetic markers here:

brainly.com/question/7485649

5 0
2 years ago
List two additional populations (other than those listed in the lab) for which
omeli [17]

Indirect methods like mark and recapture become a strong tool to estimate population size or density in species on which it is impossible to apply a direct methods. <em>Because of their biological and ecological characteristics, the Gypsy moth and the Green lizard populations are good examples  for which  mark and recapture would work well.</em>

<em>------------------------------------------------------</em>

There are different methods to study population density. There are direct methods and indirect methods. Among these last ones, we might find the Mark-Recapture technique.

The Mark-Recapture technique assumes that

  • <em>the population is closed during the sampling season, there is no mortality nor natality, </em>
  • <em>marks in the individual last the whole sampling season, and they do not affect the marked individual or their behavior. </em>
  • <em>marked individuals are randomly distributed in the population, and </em>
  • <em>all the individuals have the same probability of being sampled.</em>

The method consists of capturing a sample of individuals belonging to the population under study. After capturing the individuals, the researcher marks and releases them again. The third step is to sample again: The researcher captures new individuals and counts how many of them are marked. These marked individuals belong to the first sample.

Indirect methods like this become a strong tool to estimate population size or density in species on which it is impossible to apply a direct method such as <em>counting individuals</em>.

For instance, if we need to estimate insects population density (<u><em>Gypsy moth population</em></u>) or reptiles population density (<u><em>Green lizard population</em></u>) because of their biological and ecological characteristics, the best way of doing it is by applying indirect methods. <em>These species characterize as small-sized, fast to escape, they can hide in small inaccessible places, they have nocturnal habits, their reproductive rate is too high, and their distribution rate is wide. </em>Among many other characteristics, their population density can not be estimated by direct methods. Mark-Recapture technique is the most suitable one.

----------------------------------------------

Related link: brainly.com/question/10646744?referrer=searchResults

6 0
2 years ago
Relationship between temperature and the rate of photosynthesis
AURORKA [14]

Answer:

The light independent reactions of photosynthesis are dependent on temperature. They are reactions catalysed by enzymes. As the enzymes approach their optimum temperatures the overall rate increases.

6 0
3 years ago
A phospholipid . Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a has bot
just olya [345]

Answer:

A phospholipid

a. has both polar and nonpolar regions.

Explanation:

Phospholipids, as amphipathic molecules, consist of a glycerol molecule, two fatty acids, and a phosphate group that is modified by an alcohol.  The phosphate group is the negatively-charged hydrophilic (water-loving) polar head, which face outward and are attracted to the intracellular and extracellular fluid.  The fatty acids are the uncharged, hydrophobic (water-fearing) nonpolar tails, which face the inside, away from the water and meet in the inner region of the membrane.

4 0
2 years ago
What phase of mitosis are the chromosomes taken from? Why?
arlik [135]

Answer:Metaphase

Explanation:

8 0
2 years ago
Other questions:
  • The brain and spinal cord are covered and protected by three connective tissue layers called __________.
    11·1 answer
  • Which of the following correctly describes the order of events occurring during a sympathetic nervous system response?
    5·2 answers
  • The elbow joint is a hinge joint formed by the meeting of the humerus, radius, and ulna. What type of bone marking enables these
    9·2 answers
  • Can someone help me with a biology related question? I'm offering good points!!!!! Help me out please.
    13·1 answer
  • Why do food chains end?
    9·2 answers
  • Stomache acids killing pathogens is the blank and blank systems working together.
    9·1 answer
  • Scientists have studied the fossilized shells of prehistoric, single-celled marine organisms. Some of these shells were thin, wh
    6·1 answer
  • Which of the following is a CORRECT pairing of the RNA type and the description?
    6·1 answer
  • What is the relationship between the health of the environment and human health​
    9·2 answers
  • 1) What determines which
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!