unit 8

Question 1

sickle cell disease

Answer 1

point mutation that is the replacement of A and T at the 17th letter of the DNA chain

Question 2

huntington’s disease

Answer 2

loss of muscle control/muscular dystrophy (framework)

Question 3

nondisjunction

Answer 3

chromosomes do not separate properly during meiosis

Question 4

karyotype

Answer 4

shows the sex of an individual and chromosome mutations

Question 5

trisomy

Answer 5

haveing 2 extra chromosome in a zygote cell

Question 6

trisomy 21

Answer 6

down syndrome

Question 7

polyploidy

Answer 7

having too many chromosomes, causes death in animals cells but it occurs often in plant cells. plants with extra chromosomes produce larger and healthier flowers and fruits

Question 8

what are the four chromosomal muation types

Answer 8

-deletion
-duplication
-inversion
-translocation

Question 9

genetics

Answer 9

study of how traits are passed from one generation to the next

Question 10

heredity

Answer 10

the passing of charectaristics from parent to offspringg

Question 11

gene

Answer 11

section of dna found on the chromosome that codes for one protein

Question 12

trait

Answer 12

characcteristic of an individual