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
just olya [345]
2 years ago
9

The mutation that causes sickle cell disease in humans is

Biology
2 answers:
ExtremeBDS [4]2 years ago
4 0
Substitution Mutations
IgorC [24]2 years ago
3 0

Answer: Missense mutation

Explanation:

Missense mutation is a type of point mutation where a single nucleotide is changed to cause substitution of a different amino acid. This in turns render the resulting protein non-functional.

In the case of sickle-cell disease, the sixth amino acid in the gene sequence, glutamate (GAG) is substituted with valine (GUA), due to Adenine nucleotide changed to Uracil nucleotide. Thus, missense mutation has occurred

You might be interested in
Which Enzyme has an optimal pH that is Acidic?
Vladimir79 [104]

Answer:

a. pepsin

Explanation:

it has a 1 to 2 level which is acidic because anything lower than 7 is acidic

5 0
3 years ago
Read 2 more answers
The black dots that cover strawberries are actually individual fruits. The fleshy and tasty portion of a strawberry derives from
yaroslaw [1]

Answer:

C) both an aggregate fruit and an accessory fruit

Explanation:

When several flower ovaries or receptacle of a flower with many separate carpels joins together they form aggregate fruit. Each ovary has a single ovule that converts into a seed after fertilization.

Aggregate fruit can be formed without the involvement of accessory parts called true aggregate fruit or with the involvement of additional floral parts called accessory aggregate fruit. Strawberry is also an accessory aggregate fruit because the different ovaries in the strawberry develops into achenes over the surface of flower receptacles.

4 0
3 years ago
Darwin collected an studied many specimens to understand natural selection on the Galapagos islands. which organisms did he stud
frez [133]

He chose to study birds, plants, and animals. Mostly 2 types of Finches.

5 0
3 years ago
Which chromosomal defect is caused when part of a chromosome breaks off and reattaches backward on the same chromosome?
alisha [4.7K]

Answer:

Translocation

Explanation:

Translocation is a chromosomal defect in which part of a chromosome breaks off and reattaches backward on the same chromosome.

Translocation can happen due to many reasons like:

A) Some of the changes that arise around the time of conception  or production of sperm or egg.

B) The inheritance of altered chromosome from father or mother.

Translocations can be divided into two forms:

  • Reciprocal translocation
  • Robertsonian translocation.

In reciprocal translocations,  fragments of two chromosomes break off from two different places, break and swap each other's segments. While in  Robertsonian translocation one chromosome attached with other.

Hope it help!

5 0
3 years ago
Read 2 more answers
Please help me
bekas [8.4K]

C. Both types of reproduction enable genetic information to be passed from parent to offspring.

It doesn't matter if the reproduction is sexual or asexual, because the offspring has the parent(s) dna and genetics either way.

7 0
2 years ago
Read 2 more answers
Other questions:
  • A group of organs that work together to perform a common function is called a(n) _________________
    15·2 answers
  • In the African savanna,more wildebeests are born than the environment can support. Which is most likely to happen over a period
    7·1 answer
  • What critical event occurs during interphase that is essential to mitosis?
    5·1 answer
  • What event must occur if a nucleus containing this molecule is to undergo mitotic cell division
    7·1 answer
  • Which term is the name of the diploid stage of the plant life cycle?
    8·1 answer
  • Blue poppies native to china were grown at a plant-breeding center in california. the plants with the thickest leaves were most
    5·1 answer
  • Different characteristics of living things are called
    5·1 answer
  • Which process, involved with sexual reproduction of angiosperms, creates a variety of different bloom colors, plant heights, see
    7·2 answers
  • Describe the role of a drug like cyclosporine when transplanting organs from one person to another person.
    15·1 answer
  • Strenuous exercise leads to muscle cramp give reason​
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!