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
Ray Of Light [21]
3 years ago
9

IN YOUR OWN WORDS, what is the definition for Down Syndrome?

Biology
1 answer:
sertanlavr [38]3 years ago
4 0

Answer:

A common birth defect that is usually due to an extra chromosome 21( trisomy 21) .

You might be interested in
The pinkish hue of individuals with fair skin is the result of the crimson color of oxygenated hemoglobin (contained in red bloo
beks73 [17]

The pinkish hue of individuals with fair skin is the result of the crimson color of oxygenated hemoglobin (contained in red blood cells) circulating in the dermal capillaries and reflecting through the epidermis- is a <u>true</u> statement.

Explanation:

The color of skin of an individual is due to the presence of three main pigments present in the integumentary system – melanin, hemoglobin, and carotene.  

Melanin released by the melanocytes gives a black to brown complexion depending upon the number of pigments present.

Carotene obtained through dietary sources gets accumulated in dermal layers and gives a yellow-orange tinge to the complexion.  

The hemoglobin, which contains the red colored pigment ‘heme’ is the reason for the pink hue of fair skinned people. This hemoglobin present in the dermal capillaries running through the entire length integumentary system adds the unique pink hue to the fair complexion. So higher levels of oxygenated blood and skin blood perfusion lead to bright skin coloration.  

5 0
3 years ago
Somebody help me so I can give y’all some points
Lapatulllka [165]
I think the answer is B
6 0
2 years ago
A student wants to know how different activities affect heart rate so she records the heart rate of another student after sittin
Kobotan [32]
Dependent: heart rate independent: type of activity
3 0
3 years ago
What are Biotic factors that spruce depends on?
lakkis [162]

Answer:animals, birds, plants, fungi,

Explanation:

5 0
2 years ago
Forward primer: 5'-AGTCTACTCGTAACCGGTTACC-3' Reverse primer: 5'-TAAGGCATCATGGTAACCGGTT-3' The two primers above have the melting
Jobisdone [24]

Answer:

B

Explanation:

The 3'-end of the reverse primer (3'-TTGGCCAATGG---5') is complementary to the forward primer (5'---AACCGGTTACC-3') and thus reduces the ability of the primers to bind to the targeted DNA sequence. There is possibility of hairpin loop formation or primer dimmers formation

3 0
2 years ago
Other questions:
  • What is meant by the following statement about the cell membrane
    13·1 answer
  • Identify the highlighted muscle (muscular system, upper limb)
    13·1 answer
  • Which two substances bind using a lock-and-key mechanism?
    12·2 answers
  • Which of the following places these items in the correct order for DNA-virus replication? 1. Maturation 2. DNA synthesis 3. Tran
    9·1 answer
  • Name the layers of Earth’s atmosphere starting closest to the Earth’s surface and moving up. Which layer contains the ozone laye
    12·2 answers
  • Make a poem about compounds​
    9·1 answer
  • List the planets from smallest to largest
    9·2 answers
  • Why would cause a plant to stop growing?
    5·2 answers
  • RANK AS BRAINLIEST ASAPPPP
    8·1 answer
  • Why does a solid change to liquid when heat is added?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!