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10-âĶâĶâĶâĶâĶâĶ. is a chart used to follow the inheritance of a certain trait within a family.
Family pedigree
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monster
Reset all scores!
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fairy
Take points!
5
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20
25
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shark
Other team loses 10 points!
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baam
Lose 10 points!
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15
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20- X-linked traits as color blindness appear more in males than in females a-True b-False
a-True
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16-Colorblindness is a recessive x-linked disorder. Which genotype represents a male with normal vision?
C
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heart
Other team wins 25 points!
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star
Double points!
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rocket
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lifesaver
Give 25 points!
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19-- Males can be carriers for color blindness. a-True b-False
b-False
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3-Females have âĶâĶâĶâĶâĶâĶâĶ sex chromosomes.
XX
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19-- Males can be carriers for color blindness. a-True b-False
b-False
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7-From examples of mutation which is a sudden change in the gene a- Color blindness b- Hemophilia c-both
c-both
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12-âĶâĶIs a way to predict all the possible breeding outcomes A-a pedigree B- a phenotype C- a Punnett square
C- a Punnett square
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trap
No points!
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rocket
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fairy
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25
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baam
Lose 5 points!
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17-Color blindness is X- linked recessive trait : in the Punnett square how many have Color blindness disease ? a- 50 % b- 100 % c- 25 % d-75 %
c- 25 %
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18- B+B+ is bald in ............................... a- males and females b- males only c- females only
b- males only
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9-Explain : -Color blindness is common in males and rare in females
Because female needs 2 recessive genes of color blindness carried on her two sex chromosome XX but male needs only one.
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6-Traits (genes) located on the sex chromosomes (X) are called ......................
Sex linked traits
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15-Who does a son inherit a sex-linked allele from? a-His mother only b-His father only c-Either his father or mother
a-His mother only
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