paulina62bbb paulina62bbb
  • 02-04-2021
  • Geography
contestada

Which of those two major
causes is responsible for Down syndrome?

Respuesta :

cadenned123 cadenned123
  • 02-04-2021
three copies of chromosome 21 :)
Answer Link

Otras preguntas

What is the empirical formula for C2H100
Day 33:Directions: Reread the biography: Helen Keller. As you read, think about thepeople that have had an effect on Helen Keller's life.Directions: Complete th
Why do babies receive so many vaccinations during their first year?
i need help with this question please help asap.
Kayla is learning about ecology and made a study chart. Ecology X . describes how an organism interacts • supports an organism's needs with its environment . ma
A jar contains 8 red, 6 blue, 4 green, and 2 yellow marbles. Assuming you don't replace the marbles, find the probability of pulling a green and then a green m
what is x(x+5)?? I'm so confused​
the following data points represents how many tunnels Gary the groundhog dug each year. 18,5,13,9,6,2,10 using the data to create a histogram​
The story of space exploration began with unmanned exploration, moved into a period of manned exploration, and now appears A. to have become uninteresting. B
Which explains why Troy tells his teacher that his car is not ready? He is worried about the car's ability to move. He feels nervous about giving presentations.