Human Genetics questions?

True/False:

55.an individual without hair on the middle segment of all fingers has the genotype hh.

56.intelligence is based solely on genetics

57.when a lethal recessive gene is allowed to express itself, the pregnancy usually ends in a miscarriage.

58.lack of pigment in the eyes is a recessive trait

59.blue eyes actually have no pigment

60.XXY and XO result from nondisjunction

61.almost every autosome has at least one leathal recessive gene on it.

62.sickle hemoglobin differs from normal hemoglobin in only two amino acids.

63.XYY males are usually mentally retarted

64.an XYY male is usually tall and more aggresive than the normal male.

65.its rare for a human to have a condition resulting from a single autosome.

66.schizophrenia is strongly influeneced by genetics

67.many recessive genes are leathal

68.down sysndrome individuals have a extra chromosome [22]

69.intelligence is determined by one gene.

70.both XXY and XYY have 45 total choromosomes.

Human Genetics questions?

That's 16 questions ... I should do all that work for only 2 points?

And what is this from? If your teacher typed it, they gotta work on their spelling. If you did the typing, wouldn't it just have been easier to look through your book for the answers?

I'll answer a few off the top of my head:

56. F

58. This is a bad question because "lack of pigment in the eyes" is not specific enough.

60. T

62. F

66. T

69. F

But really, these should be pretty answerable by paging through the chapter looking for the key words. 68 and 70, for example, should be really easy.