Human & Applied Genetics

Question 1

The 23rd pair of chromosomes are _______.

Answer 1

sex chromosomes

Question 2

what is a karyotype?

Answer 2

A picture of chromosomes grouped in pairs

Question 3

karyotypes can also reveal the gender of a fetus or test for certain defects through examination of cells from uterine fluid in a procedure called _______.

Answer 3

amniocentesis

Question 4

when is amniocentesis typically done?

Answer 4

14-15 weeks of pregnancy

Question 5

how do you create a karyotype?

Answer 5

chromosomes from a cell are stained and photographed

Question 6

how are chromosomes arranged in a karyotype?

Answer 6

large to small with exception of the sex chromosomes (these up your last)

Question 7

what stage must the cell be undergoing to create a karyotype?

Answer 7

mitosis-preferably in metaphase

Question 8

diseases or debilitating conditions that have a genetic basis.

Answer 8

genetic disorders

Question 9

The first 22 pairs of chromosomes on a karyotype are _______.

Answer 9

autosomal

Question 10

karyotypes can tell you _______ and _______.

Answer 10

gender and defects