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الهوجاس · 2008- 6- 22

Genetics

1- If you know that the alleles of unattached ear lobe trait is dominant over the alleles of attached ear lobes. What is the genotype of a human who has attached ear lobes?
a- EE
b- Ee
c- ee #
d- could be (a) or (b)

2- The term genotype means the:
a- traits of an individual
b- arrangement of duplicated chromosomes in the cells
c- number of an offspring
d- genetic make up of an individual #

3- Normally, humans inherit ……….. pairs of chromosomes from parents.
a- 46
b- 92
c- 23 #
d- 44

4- Which of the following cause(s) (يسبب) change in chromosomal structure?
a- deletion
b- inversion
c- translocation
d- all of the above #

5- Normally, a human male has:
a- two Y chromosome
b- two Y chromosomes and one X chromosome
c- one X chromosome and one Y chromosome #
d- two X chromosomes

6- Persons with Down’s syndrome have trisomy of the:
a- X chromosome
b- Y chromosome
c- chromosome 21 #
d- chromosome 23

7- If an organism of a genotype WW is crossed with another individual ww, ……..
a- 1/4 of their offspring will be WW
b- 1/2 of their offspring will be ww
c- 3/4 of their offspring will be Ww
d- all of their offspring will be Ww #

8- If a man with a blood group O married a woman known to be homozygous for a blood group B, their offspring will have a blood group:
a- B only #
b- A and B
c- AB only
d- O and B

9- Triosomy means presence of………..…. of a definite type of chromosomes in the cells of an individual.
a- a single copy
b- many copies
c- two copies
d- three copies #

10- Which of the following is true, if two individuals of genotype BbCc are crossed?
a- 9/16 of their offspring will have the genotype BBCC
b- 3/16 of their offspring will have the genotype bbcc
c- 3/16 of their offspring will have the genotype BBCC
d- 1/16 of their offspring will have the genotype bbcc #

11- If an individual has a dominant phenotype for a given trait, the genotype will be:
a- homozygous recessive
b- homozygous dominant
c- heterozygous dominant
d- (b) or (c) could be possible #
1- If you know that the alleles of unattached ear lobe trait is dominant over the alleles of attached ear lobes. What is the genotype of a human who has attached ear lobes?
a- EE
b- Ee
c- ee
d- could be (a) or (b)

2- The term genotype means the:
a- traits of an individual
b- arrangement of duplicated chromosomes in the cells
c- number of an offspring
d- genetic make up of an individual

3- Normally, humans inherit ……….. pairs of chromosomes from parents.
a- 46
b- 92
c- 23
d- 44

4- Which of the following cause(s) (يسبب) change in chromosomal structure?
a- deletion
b- inversion
c- translocation
d- all of the above

5- Normally, a human male has:
a- two Y chromosome
b- two Y chromosomes and one X chromosome
c- one X chromosome and one Y chromosome
d- two X chromosomes

6- Persons with Down’s syndrome have trisomy of the:
a- X chromosome
b- Y chromosome
c- chromosome 21
d- chromosome 23

7- If an organism of a genotype WW is crossed with another individual ww, ……..
a- 1/4 of their offspring will be WW
b- 1/2 of their offspring will be ww
c- 3/4 of their offspring will be Ww
d- all of their offspring will be Ww

8- If a man with a blood group O married a woman known to be homozygous for a blood group B, their offspring will have a blood group:
a- B only
b- A and B
c- AB only
d- O and B

9- Triosomy means presence of………..…. of a definite type of chromosomes in the cells of an individual.
a- a single copy
b- many copies
c- two copies
d- three copies

10- Which of the following is true, if two individuals of genotype BbCc are crossed?
a- 9/16 of their offspring will have the genotype BBCC
b- 3/16 of their offspring will have the genotype bbcc
c- 3/16 of their offspring will have the genotype BBCC
d- 1/16 of their offspring will have the genotype bbcc

11- If an individual has a dominant phenotype for a given trait, the genotype will be:
a- homozygous recessive
b- homozygous dominant
c- heterozygous dominant
d- (b) or (c) could be possible

55. In the ABO blood grouping system, the general donner (معطي عام) is normally considered to be:
a. O
b. AB
c. A
d. B

56. If a piece deleted from one chromosome is inserted into its homologue, this is called:
a. variation
b. translocation
c. duplication
d. inversion

57 A person with Xo genetic constitution, suffers from:
a. Turner,s syndrome
b. Klinefelter’s syndrome
c. Non-disjunction of sex chromosomes
d. .both a and c

58. Non-disjunction in an autosome chromosomes could result in :
a. Turner,s syndrome
b. Down,s syndrome
c. Klinefelter’s syndrome
d. all of the above

59. Chromosome structure can be altered ( يتغير) by:
a. deletion
b. translocation and duplication
c. inversion
d. all of the above

63 T F Blood group O is known as universal acceptor.
64 T F Generally, there is no effect of the environmental conditions on gene expression.
65 T F A person with Turner’s syndrome is normally a sterile female.
63 T F Blood group O is known as universal acceptor.
64 T F Generally, there is no effect of the environmental conditions on gene expression.
65 T F A person with Turner’s syndrome is normally a sterile female.
66 T F The ABO blood grouping in humans is an example of codominance of genes.

2008- 6- 22	#34
الهوجاس أكـاديـمـي فـضـي الملف الشخصي: رقم العضوية : 3364 تاريخ التسجيل: Sun Jan 2008 العمر: 37 المشاركات: 536 الـجنــس : أنـثـى عدد الـنقـاط : 100 مؤشر المستوى: 78 بيانات الطالب: الكلية: UNSW	رد: studying biology with الهوجاس خاص لـ nurses Genetics 1- If you know that the alleles of unattached ear lobe trait is dominant over the alleles of attached ear lobes. What is the genotype of a human who has attached ear lobes? a- EE b- Ee c- ee # d- could be (a) or (b) 2- The term genotype means the: a- traits of an individual b- arrangement of duplicated chromosomes in the cells c- number of an offspring d- genetic make up of an individual # 3- Normally, humans inherit ……….. pairs of chromosomes from parents. a- 46 b- 92 c- 23 # d- 44 4- Which of the following cause(s) (يسبب) change in chromosomal structure? a- deletion b- inversion c- translocation d- all of the above # 5- Normally, a human male has: a- two Y chromosome b- two Y chromosomes and one X chromosome c- one X chromosome and one Y chromosome # d- two X chromosomes 6- Persons with Down’s syndrome have trisomy of the: a- X chromosome b- Y chromosome c- chromosome 21 # d- chromosome 23 7- If an organism of a genotype WW is crossed with another individual ww, …….. a- 1/4 of their offspring will be WW b- 1/2 of their offspring will be ww c- 3/4 of their offspring will be Ww d- all of their offspring will be Ww # 8- If a man with a blood group O married a woman known to be homozygous for a blood group B, their offspring will have a blood group: a- B only # b- A and B c- AB only d- O and B 9- Triosomy means presence of………..…. of a definite type of chromosomes in the cells of an individual. a- a single copy b- many copies c- two copies d- three copies # 10- Which of the following is true, if two individuals of genotype BbCc are crossed? a- 9/16 of their offspring will have the genotype BBCC b- 3/16 of their offspring will have the genotype bbcc c- 3/16 of their offspring will have the genotype BBCC d- 1/16 of their offspring will have the genotype bbcc # 11- If an individual has a dominant phenotype for a given trait, the genotype will be: a- homozygous recessive b- homozygous dominant c- heterozygous dominant d- (b) or (c) could be possible # 1- If you know that the alleles of unattached ear lobe trait is dominant over the alleles of attached ear lobes. What is the genotype of a human who has attached ear lobes? a- EE b- Ee c- ee d- could be (a) or (b) 2- The term genotype means the: a- traits of an individual b- arrangement of duplicated chromosomes in the cells c- number of an offspring d- genetic make up of an individual 3- Normally, humans inherit ……….. pairs of chromosomes from parents. a- 46 b- 92 c- 23 d- 44 4- Which of the following cause(s) (يسبب) change in chromosomal structure? a- deletion b- inversion c- translocation d- all of the above 5- Normally, a human male has: a- two Y chromosome b- two Y chromosomes and one X chromosome c- one X chromosome and one Y chromosome d- two X chromosomes 6- Persons with Down’s syndrome have trisomy of the: a- X chromosome b- Y chromosome c- chromosome 21 d- chromosome 23 7- If an organism of a genotype WW is crossed with another individual ww, …….. a- 1/4 of their offspring will be WW b- 1/2 of their offspring will be ww c- 3/4 of their offspring will be Ww d- all of their offspring will be Ww 8- If a man with a blood group O married a woman known to be homozygous for a blood group B, their offspring will have a blood group: a- B only b- A and B c- AB only d- O and B 9- Triosomy means presence of………..…. of a definite type of chromosomes in the cells of an individual. a- a single copy b- many copies c- two copies d- three copies 10- Which of the following is true, if two individuals of genotype BbCc are crossed? a- 9/16 of their offspring will have the genotype BBCC b- 3/16 of their offspring will have the genotype bbcc c- 3/16 of their offspring will have the genotype BBCC d- 1/16 of their offspring will have the genotype bbcc 11- If an individual has a dominant phenotype for a given trait, the genotype will be: a- homozygous recessive b- homozygous dominant c- heterozygous dominant d- (b) or (c) could be possible 55. In the ABO blood grouping system, the general donner (معطي عام) is normally considered to be: a. O b. AB c. A d. B 56. If a piece deleted from one chromosome is inserted into its homologue, this is called: a. variation b. translocation c. duplication d. inversion 57 A person with Xo genetic constitution, suffers from: a. Turner,s syndrome b. Klinefelter’s syndrome c. Non-disjunction of sex chromosomes d. .both a and c 58. Non-disjunction in an autosome chromosomes could result in : a. Turner,s syndrome b. Down,s syndrome c. Klinefelter’s syndrome d. all of the above 59. Chromosome structure can be altered ( يتغير) by: a. deletion b. translocation and duplication c. inversion d. all of the above 63 T F Blood group O is known as universal acceptor. 64 T F Generally, there is no effect of the environmental conditions on gene expression. 65 T F A person with Turner’s syndrome is normally a sterile female. 63 T F Blood group O is known as universal acceptor. 64 T F Generally, there is no effect of the environmental conditions on gene expression. 65 T F A person with Turner’s syndrome is normally a sterile female. 66 T F The ABO blood grouping in humans is an example of codominance of genes.