Rod-shaped structures made of DNA and proteins contained in the nucleus
proteins which help maintain the shape of the chromosomes and aid in the tight packing of DNA
less tightly coiled DNA- protein complex
each half of a chromosome; formed as the DNA makes a copy of itself before cell division
the central point where two chromatids attach, important for movement of chromosomes
each species has a specific number of chromosomes in each cell. Some species have the same number
chromosomes that determine the sex of an organism (X/Y)
all other chromosomes in an organism
chromosomes that have the same sequence of genes, same structure, and pair during meiosis
consist of 46 chromosomes exist as 22 homologous pairs of autosomes and 2 sex chromosomes (XY in males; XX in females)
a graphical display that shows an individual's chromosomes arranged in homologous pairs
cells having two sets of chromosomes 2n
ex) all human cells except reproductive cells
cells that contain only one set of chromosomes 1n, have only one autosome of each homologous pair and only one sex chromosome (X or Y) Ex. Sperm/Egg cells
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.