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
vazorg [7]
2 years ago
7

Are mutations always deleterious?

Biology
2 answers:
insens350 [35]2 years ago
6 0
Most are but not always
zavuch27 [327]2 years ago
5 0

Answer:

Mutational effects can be beneficial, harmful, or neutral, depending on their context or location. Most non-neutral mutations are deleterious. In general, the more base pairs that are affected by a mutation, the larger the effect of the mutation, and the larger the mutation's probability of being deleterious.

Explanation:

You might be interested in
Carmen has a sample of matter. It is clear and smells sour. The sample is also thick but it flows when poured. Which is the best
ss7ja [257]
B)
Because it flows. I dunno about you, but that sounds like a liquid to me! Sorry if i'm wrong.
8 0
3 years ago
Read 2 more answers
Please help its due in a hour!!!!!
garri49 [273]

Answer:

1. The difference between the normal hemoglobin protein DNA sequence and the sickle cell hemoglobin DNA sequence is a base to base shift, in this case adenine (GAG) to thymine (GTG).

2. The difference affects the amino acid sequence of the protein by replacing glutamic acid (Glu) with valine (Val).

Explanation:

In sickle cell anemia, a change in the DNA nucleotide sequence is observed, where adenine is substituted by thymine, whose expression is the change in the amino acid sequence of globine β, incorporating valine instead of glutamic acid. This represents a molecular mutation - point mutation - by subtitution, which corresponds to missense mutation.

<u>Normal hemoglobin protein in a RBC</u>

DNA                 CTG ACT CCT GAG GAG AAG TCT

Amino acids     Leu  Thr   Pro   Glu   Glu   Lys   Ser

<u>Sickle cell hemoglobin protein in a RBC</u>

DNA                 CTG ACT CCT <em>GTG</em> GAG AAG TCT

Amino acids     Leu  Thr   Pro   <em>Val</em>   Glu   Lys   Ser

When GAG is transcribed to mRNA, the CUC codon is obtained, which codes for glutamic acid. Thymine substitution causes the DNA sequence to change to GTG, which is transcribed as CAC, the codon that encodes the amino acid valine. The <u>change from glutamic acid to valine in β-globin causes an altered hemoglobin, giving the abnormal erythrocytes observed in sickle cell disease</u>.

6 0
2 years ago
What is the difference between an<br> unsaturated and a saturated fat?
Eduardwww [97]

Saturated fatty acids lack double bonds between the individual carbon atoms, while in unsaturated fatty acids there is at least one double bond in the fatty acid chain. Saturated fats tend to be solid at room temperature and from animal sources, while unsaturated fats are usually liquid and from plant sources :)

4 0
3 years ago
Which of the following is a positive aspect of genetically engineered crops for the environment?
padilas [110]
You don't have to wait for the crops to grow on their own 
5 0
3 years ago
SOMEONE PLEASE HELP ME WITH THIS ILL GIVE YOU BRAINLY IF YOU GET IT RIGHT ALSO PLEASE EXPLAIN HOW YOU GOT THE ANSWERS!!!!! PLEAS
Fiesta28 [93]

Answer:

D, B, A

Explanation:

Since C and E are completely false

6 0
3 years ago
Other questions:
  • 12. What is probability? How does probability relate<br> to genetics?
    15·2 answers
  • Bacteria living in the soil are dependent upon which of the following abiotic factors? a. plant root structures and oxygen conte
    9·2 answers
  • Is the channel for the flow of urine from the kidneys to the bladder
    6·1 answer
  • Which phrase describes organisms that formed index fossils?
    9·2 answers
  • PLZZZZ HELP QUICK!!!! THANKS
    8·2 answers
  • Consider the characteristics of moss and fern life cycles. Which of the following sets of statements is true?A. The gametophyte
    13·2 answers
  • How is Carbon Dioxide abbreviated (shortened)?
    14·1 answer
  • The word Phenotype refers to
    15·2 answers
  • How are genetic relationships represented?
    9·1 answer
  • A student observed the image and claimed that the frog takes its food by sucking. Is the claim made by the student correct
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!