Test #3: Chromosomes Flashcards
1
Q
What is a chromosome?
A
Each DNA molecule in the nucleus of a cell is a chromosome.
2
Q
___ pairs of chromosomes
__ chromosomes in total.
A
23 pairs of chromosomes
46 chromosomes in total.
3
Q
There are 22 chromosomes that are similar for both men and women but the 23rd chromosome is _______________.
A
There are 22 chromosomes that are similar for both men and women but the 23rd chromosome is a pair of sex chromosomes.
4
Q
Women have two _ chromosomes and men have a _ (girl) chromosome and a _ (boy) chromosome.
A
Women have two X chromosomes and men have a X chromosome and a Y chromosome.
5
Q
what is a Karyotype?
A
A karyotype shows the chromosomes of an individual, displayed from largest to smallest.
