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| The study of the inheritance of traits |
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| An organism where the traits have remained the same for many generations |
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| Mating specific organisms to test how traits are inherited |
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| the ancestors are not alike; an offspring of two genetically unrelated individuals Ex. Tt |
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| A trait that has more influence; refers to the characteristic that is expressed even when a recessive gene is present |
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| a trait that has less influence; a characteristic that is masked when a dominant gene is present |
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| the way a plant or any organism looks; physical characteristics |
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| the specific factors an organism possesses |
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| a diploid cell formed by the union of two gamtes; the cell formed when two reproductive cells such as egg and pollen unite |
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| a way to visual the way that Mendell's theories work |
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| special reproductive cells designed to transfer or receive the chromosomes and thus the genes. these special cells have only one of each kind of chromosome normally found in an organism |
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| two traits combine or blend together to produce a different trait; there is no pure dominant or pure recessive trait expressed |
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| Another variation of a simple dominant/recessive inheritance pattern...the dominant and the recessive traits are both expressed |
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| multiple gene inheritance |
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| when two or more genes are responsible for producing a single trait |
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| the female sex chromosome; a girl has 2 _______________ and a male has 1 ______________. |
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| the male sex chromosome; the male has 1 x-chromosome and 1 ____________________ |
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| an inherited trait that has a gene on the x-chromosome but no corresponding gene on the y-chromosome |
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| a person who has the gene for a trait but does not express the trait themself |
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| abnormal traits that are passed on thru genes |
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| Name the Austrian monk whose work marks the beginning of modern genetics. |
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| How would you represent an organism that is purebred and dominant for a certain trait using the letter A? Also using the letter A, write the representation of a hybrid organism. |
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| List 3 human characteristics that are dominant and 3 that are recessive. |
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Dominant - curly hair, thick lips, can roll tongue, far-sightedness, long eyelashes, unattached earlobes, dark colored hair, green/hazel/brown eye color
Recessive - can't roll tongue, short eyelashes, straight hair, blue/grey eye color, normal vision, flat feet |
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| What do the letters in each square of a Punnett Square represent? |
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| List 3 ways to learn about a baby before it's born. |
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Definition
| fetoscope, aminocentesis, ultrasound or sonogram |
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| List 3 variation of single dominant/recessive inheritance patterns. |
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Definition
multiple gene inheritance -
co-dominance
incomplete dominance - |
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| How would you designate in a Punnett Square that a person is female or male? |
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| The study of inheritance is called ____________. |
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| A __________ organism comes from a line of ancestors that have had the same traits for many generations. |
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| Thru his research, Mendell determined there were 2 factors for each trait. T/F |
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| An organism that has both recessive and dominant factors for a particular trait is a ___________. |
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| A _________ is a diagram that helps visualize the inheritance of characteristics. |
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| If a Rr mates with a Rr dog, what possible combinations might the puppies have? |
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| Some of each RR, Rr and rr |
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| Suppose that for cats long hair is dominant and short hair is recessive, if a hybrid cat mates with a purebred short haired cat what possible combinations could you expect. |
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| Two traits blending to produce a different trait is an example of ______________. |
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| The number of boxes in a Punnett Square shows how many offspring will be produced. T/F |
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| When a single trait such as hair color is controlled by more than one gene this is called ____________. |
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Definition
| multiple gene inheritance |
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| What chromosomes do human males have that females do not have? |
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| Abnormal traits that are passed on thru the genes are called _______________. |
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| Most people who are born with a handicap are being punished for a sin their parents committed. T/F |
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