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
OLga [1]
2 years ago
8

Down syndrome is the result of an extra chromosome 21 in a gamete. What caused this to happen?

Biology
1 answer:
Natasha2012 [34]2 years ago
8 0
No disjunction is the answer
You might be interested in
The accumulation of small changes in a gene pool over a relatively short period is called: A: anagenesis B: cladogenesis C: micr
aleksklad [387]
I believe it is microevolution
6 0
3 years ago
Which of the following is a disadvantage of cloning?
gtnhenbr [62]

D. Cannot repopulate the world with endangered organism

7 0
2 years ago
Which feature of junipers makes them good at preventing soil erosion?
Ber [7]

The correct answer is (D)

Junipers belongs to genus Juniperus and are coniferous plants. These plants are widely distributed in northern hemisphere, from Arctic, south to tropical Africa and from Ziarat to Tibet, and in mountains of central America.

Juniper is a shrubs and grow densely over an area, shrubs are a great way to deter foot traffic through an area( another contributor to soil erosion). It helps to prevent soil erosion and are easy to grow plants.

5 0
3 years ago
Read 2 more answers
Some cells undergo nuclear division but not cytokinesis t/f
emmainna [20.7K]

Answer: false

Explanation:

I’m doing the test right now

7 0
3 years ago
Which region is visible only on the posterior/dorsal body surface?
vesna_86 [32]
<span>Located down within the foot, the calcaneus is better known as the heel bone. It is situated in the back of the foot and it is here, in the calcaneal region that it is the only visible on the dorsal body surface.</span>
8 0
3 years ago
Other questions:
  • Students in Ms. Nye's science class were using the microscopes to make slides of various organisms: algae, moss, onion cells, hu
    10·2 answers
  • Select all of the food items where microbial growth is controlled by means of osmotic pressure.
    13·1 answer
  • Describe the structure and function of the health team
    6·2 answers
  • If you were interested in improving the soil structure in your garden, what could you add?
    13·1 answer
  • How many daughter cells (gametes) are present at the end of Meiosis?
    12·1 answer
  • A wooden walkway and a sandy beach are at the same temperature. The sand feels much hotter because it has a greater _____.
    6·2 answers
  • Describe the sampling method for determining population size.
    9·2 answers
  • When Darwin wrote on the origin of species he assumed due to the fossil record that species would not evolve quickly since that
    5·1 answer
  • If a person laughs too much can they vomit out their intestine​
    6·2 answers
  • Which of the following cannot yet be done? A. Determine the genes of a child. B accurately reconstruct complete strands of dinos
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!