Genetics - Sex and Autosomal Chromosomes/Karyotype

Question 1

autosomes

Answer 1

• chromosomes that do not determine an organism’s sex
• for humans chromosomes 1-22
• these are what your diploid cells se the code for their jobs
• chromosome number for these cells is 46 for humans

Question 2

sex chromosomes

Answer 2

• the chromosomes that determine an organism’s sex
• in mammals this would be X and Y
• chromosome number for these cells + 23 for humans
• these are traits other than gender that these contribute
• females have XX
• females will give their children an X every time
• males have XY
• males will either give an X or a Y to their children and this decides if the child is a girl or a boy

Question 3

karyotype

Answer 3

• an image of the chromosomes of an organism arranged by size
• this karyotype shows a male human