Could someone plz help me out with the following questions.
Thx in advance.
Multiple Choice
1. Humans have
23 pairs of sex chromosomes and 1 pair of autosomes
23 pairs of chromosomes, of which 1 pair are sex chromosomes
22 pairs of sex chromosomes and 1 pair of autosomes
1 pair of sex chromosomes and 12 pair of autosomes
2. A female is created with the fertilization of
an egg with a Y chromosome by a sperm with a X chromosome
an egg with an X chromosome by a sperm with an Y chromosome
an egg with a Y chromosome by a sperm with a Y chromosome
an egg with an X chromosome by a sperm with an X chromosome
3. Genes found on the X chromosome are considered
sex-linked
sex-limited
sex-influenced
autosomal recessive
4. Which of the following is a sex-linked trait?
sickle-cell anemia
dwarfism
albinism
color blindness
5. If a male with hemophilia is crossed with a carrier female, what is the probability their children will have hemophilia?
25 percent
50 percent
75 percent
100 percent
6. Sex-influenced is defined as
your gender is more influential in society
your gender determines if the heterozygote will express the trait
your gender is not able to get the genetic disorder
having an X and Y chromosome
7. Nondisjunction is
the pulling apart of chromosomes during mitosis and meiosis
a chromosome that has been broken
when chromosomes cannot replicate in interphase
the unequal separation of chromosomes during meiosis
8. What is the end result of a cell that underwent nondisjunction?
cells with more and less chromosomes than they should have
a fertilized egg with an extra chromosome
a sperm cell with one less chromosome
mutated cells
9. Trisomy 21 is commonly called
Down syndrome
Patau's syndrome
Edwards syndrome
Turner's syndrome
10. Which of the following genetic conditions describes Turner's syndrome?
an extra X compared to a normal female
XXY sex chromosomes instead of XX or XY
only one X for sex chromosomes
three of the thirteenth chromosome
11. What is the probability that parents with type AB and type O blood will have offspring with type O blood?
75 percent
50 percent
25 percent
0 percent
12. Which of the following children cannot be born from the following cross: AO x AB?
type A
type AB
type B
type O
13. A mother has type AB blood, and the father has type A, and they have five children with the following blood types: A, AB, B, A, B; what is the genotype of the father?
AA
AO
BB
BO
AB
14. Which of the following genes is a good example of multiple alleles?
blood types
colorblindness
Huntington's disease
Rh factor
15. When using a pedigree, males are drawn as what shape?
circle
triangle
square
rectangle
pentagon
16. How many autosomes does a person have in each cell of his or her body?
23 pairs
22 pairs
1 pair
20 pairs
17. Which of the following statements about sex-linked disorders is true?
It is easier for women to express a sex-linked disorder.
Prostate cancer is a good example of a sex-linked disorder.
Balding is a good example of a sex-linked disorder.
It is easier for men to express a sex-linked disorder.
18. What sex chromosomes does a person with Klienfelter's Syndrome have?
XXX
XO
XXY
XY
19. What does a person with hemophilia lack?
the ability to see the blue-green color spectrum
the ability of their blood to clot
an X chromosome
the Rh factor
20. Which of the following conditions is not an example of nondisjunction?
Huntington's disease
Turner's Syndrome
Klienfelter's Syndrome
Trisomy 21
Thx in advance.
Multiple Choice
1. Humans have
23 pairs of sex chromosomes and 1 pair of autosomes
23 pairs of chromosomes, of which 1 pair are sex chromosomes
22 pairs of sex chromosomes and 1 pair of autosomes
1 pair of sex chromosomes and 12 pair of autosomes
2. A female is created with the fertilization of
an egg with a Y chromosome by a sperm with a X chromosome
an egg with an X chromosome by a sperm with an Y chromosome
an egg with a Y chromosome by a sperm with a Y chromosome
an egg with an X chromosome by a sperm with an X chromosome
3. Genes found on the X chromosome are considered
sex-linked
sex-limited
sex-influenced
autosomal recessive
4. Which of the following is a sex-linked trait?
sickle-cell anemia
dwarfism
albinism
color blindness
5. If a male with hemophilia is crossed with a carrier female, what is the probability their children will have hemophilia?
25 percent
50 percent
75 percent
100 percent
6. Sex-influenced is defined as
your gender is more influential in society
your gender determines if the heterozygote will express the trait
your gender is not able to get the genetic disorder
having an X and Y chromosome
7. Nondisjunction is
the pulling apart of chromosomes during mitosis and meiosis
a chromosome that has been broken
when chromosomes cannot replicate in interphase
the unequal separation of chromosomes during meiosis
8. What is the end result of a cell that underwent nondisjunction?
cells with more and less chromosomes than they should have
a fertilized egg with an extra chromosome
a sperm cell with one less chromosome
mutated cells
9. Trisomy 21 is commonly called
Down syndrome
Patau's syndrome
Edwards syndrome
Turner's syndrome
10. Which of the following genetic conditions describes Turner's syndrome?
an extra X compared to a normal female
XXY sex chromosomes instead of XX or XY
only one X for sex chromosomes
three of the thirteenth chromosome
11. What is the probability that parents with type AB and type O blood will have offspring with type O blood?
75 percent
50 percent
25 percent
0 percent
12. Which of the following children cannot be born from the following cross: AO x AB?
type A
type AB
type B
type O
13. A mother has type AB blood, and the father has type A, and they have five children with the following blood types: A, AB, B, A, B; what is the genotype of the father?
AA
AO
BB
BO
AB
14. Which of the following genes is a good example of multiple alleles?
blood types
colorblindness
Huntington's disease
Rh factor
15. When using a pedigree, males are drawn as what shape?
circle
triangle
square
rectangle
pentagon
16. How many autosomes does a person have in each cell of his or her body?
23 pairs
22 pairs
1 pair
20 pairs
17. Which of the following statements about sex-linked disorders is true?
It is easier for women to express a sex-linked disorder.
Prostate cancer is a good example of a sex-linked disorder.
Balding is a good example of a sex-linked disorder.
It is easier for men to express a sex-linked disorder.
18. What sex chromosomes does a person with Klienfelter's Syndrome have?
XXX
XO
XXY
XY
19. What does a person with hemophilia lack?
the ability to see the blue-green color spectrum
the ability of their blood to clot
an X chromosome
the Rh factor
20. Which of the following conditions is not an example of nondisjunction?
Huntington's disease
Turner's Syndrome
Klienfelter's Syndrome
Trisomy 21