Ch. 14.1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a picture of chromosomes called? | karyotype
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| Body cell chromosomes are known as? | autosomes
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| How many normal human autosomes are there? | 22 pair or 44
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| How many normal sex chromosomes are there? | 1 pair or 2
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| What is a chart that shows the relationships within a family? | pedigree
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| Are sperm and egg cells haploid or diploid? | haploid, that means one set of chromosomes
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| Is a zygote haploid or diploid? | diploid, that means two sets of chromosomes after fertilization
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| Most human traits are determined by many genes. This is called | polygenic
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| Human blood types are determined by ________ alleles. | 3, A, B, and i
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| What are the alleles for type A blood? | AA or Ai
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| What are the alleles for type B blood? | BB or Bi
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| What are the alleles for type O blood? | ii
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| What are the alleles for type AB blood? | AB
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| Name this recessive disorder in which humans lack pigmentation in skin, hair, and eyes. | albinism
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| Name this recessive disorder in humans in which there is excess mucus in lungs, digestive tract, and liver with an increased susceptibility to infections. | cystic fibrosis
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| Name this recessive disorder in which humans cannot break down phenylalanine and can cause mental retardation. | phenylketonuria or PKU
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| Name this recessive disorder in which humans have a lipid accumulation in brain cells which causes mental deficiency, blindness, and death. | Tay-Sachs disease
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| Name this dominant disorder in which humans exhibit from dwarfism. | achondroplasia
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| Name this dominant disorder in which humans suffer mental deterioration and seizures during middle age years. | Huntington's disease
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| Name this dominant disorder in which humans have excess cholesterol in their blood. | hypercholesterolemia
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| Name this codominant disorder in which humans have misshapen red blood cells which can damage tissues. | sickle cell disease
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| Is it bad if wrong blood types are mixed? | Yes. Blood will clump. Antibodies will "fight" the antigens.
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| PKU can be treated with a special ______________. | diet
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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