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
Misha Larkins [42]
4 years ago
8

List five examples of mutations. Then classify each as harmful, helpful and neutral and explain your reasoning.

Biology
1 answer:
Soloha48 [4]4 years ago
4 0

Answer:

1) sickle cell anemia: Sickle cell anemia is caused due to a point mutation by which a change in the nucleotide causes the code for producing the amino acid valine instead of the amino acid glutamic acid. It is a harmful mutation.

2) Klinefelter’s Calicos: Better known as the Klinefelter’s Syndrome, Klinefelter’s Calicos is a type of genetic mutation in which the person has the pattern of XXY for sex chromosomes i.e the person has an extra X chromosome. It is a harmful mutation.

3) Colour blindness: It is a sex linked mutation caused by two genes coding for the sight of red and green colour on the X chromosome. It is a harmful mutation.

4) Lactase persistence: A mutation allowed the humans to produce lactase enzyme as a result of breast feeding. This is an example of beneficial mutation.

5) HIV resistance: A 32 base pair sequence change in CCR5 helps humans to get resistant against HIV. it is a beneficial mutation.

You might be interested in
4.<br> Which is not a major mineral group?
ddd [48]
The correct answer should be: Bromide
4 0
4 years ago
Why would a drug that damages capsids help treat a viral infection?
Natasha_Volkova [10]

The correct answer is D. Without capsids, viruses could not replicate

Explanation:

A viral infection is caused as a virus enters the body and this replicates inside it by using the host's cells. This is possible through the capsid which is an external layer in the virus that provides protection to it and helps the virus replicate because the capsid is essential for the virus to attach and penetrate the host's cells to replicate. According to this, if a drug damages the capsids the virus could not replicate and this should or reduce the infection caused by the virus. Thus, a drug that damages capsids helps treat a viral infection because "without capsids, viruses could not replicate".

6 0
3 years ago
Compare and contrast sexual and asexual reporduction
makvit [3.9K]

Difference:

The biological process of sexual reproduction requires the input of genetic material from many people. When a flower self-pollinates, for example, the term "individual" might refer to gamete cells developing as a single physical or even genetic organism. I don't want to substitute the word "cell" for "person," either, as that would eliminate instances of acellular biologic entities that reproduce, like viruses. When a piece of a chromosome from one bacterium is injected into another, it recombines and reproduces there, with or without sporulation, which is one instance of what I consider sexual reproduction but which not all viewers would. My notion just requires some genetic material, even in the form of an episome, not gametes. Asexual phases are included in nearly all forms of reproduction, but I regard all of them to be a part of sexual reproduction when they take place throughout a life cycle that also contains an obligatory sexual phase. Brewer's yeast serves as an illustration of the distinction I make because either the diploid or haploid stage, which could be classified as a gametophyte or sporophyte, can be maintained through an infinite number of mitoses. As a result, I consider vegetative propagation to be asexual reproduction.

Now that you have the difference compare the similarties.

6 0
2 years ago
Explain the water cycle in a paragraph
stepan [7]

Answer:

Water cycle is also called hydrological cycle. In this cycle water moved continuously above the surface of the earth for the continuity of life. Water is evaporated from the sea and ocean in the process of evaporation. This water goes to the atmosphere and form clouds. These clouds moves to hilly areas and comes to the ground in the form of rainfall and snowfall etc. Some water is stored on the mountains in the form of snow and the remaining downward through streams.

7 0
3 years ago
A group of scientists discovered a new organism that is composed of many cells, gets its nutrition from decaying organisms, and
Kruka [31]

Answer:

Fungi

Explanation:

4 0
2 years ago
Read 2 more answers
Other questions:
  • Which region of the operon does the repressor bind to?
    10·2 answers
  • The woolly mammoth lived during the Ice Age. Why did it become extinct?
    10·2 answers
  • A student conducts an experiment to determine how the amount of water given to a plant affects its growth. What is the independe
    5·2 answers
  • The neurons that transmit the signal to your foot to kick a soccer ball are called 1. reflexes 2. motor neurons 3. sensory neuro
    8·1 answer
  • Which of the following things are clues that a chemical change has taken place?
    8·1 answer
  • It is the year 2085, and the world population has grown at an alarming rate. As a space explorer, you have been sent on a terraf
    5·2 answers
  • Gan
    7·1 answer
  • Which number is labeling the part of the digestive system that absorbs the nutrients from digested food into the blood?
    9·2 answers
  • How does penicillin kill bacteria? Penicillin augments the body's natural ability to enzymatically degrade bacterial peptidoglyc
    11·1 answer
  • Scientists think the _____ is solid iron with a layer of liquid iron surrounding it.
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!