Mendelian Genetics
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| Offspring that results from crosses between parents with different traits are called? | Hybrids
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| The chemical factors that determine traits are called? | Genes
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| The principle of dominances states that? | Some alleles are dominate and others are recessive
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| A heterozygous tall pea plant is crossed with a short plant. The probability that an F1 plant will be tall is? | 50%
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| Organism that have two identical alleles for a particular trait are said to be? | Homozygous
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| A punnett square shows? | Probable outcomes of genetic crosses
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| How many different allele combinations would be found in the gametes produced by a pea plant whose genotype was RrYY? | Two
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| What type of cross would explain how when you cross chickens with black feathers with chickens with white feathers you get checkered chickens (feathers that have both black and white stripes)? | Codominant
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| Variation in human skin color is an example of? | Polygenic traits
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| The number of chromosomes in a gamete is represented by the symbol? | N
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| If an organism's diploid number is 12, its haploid number is? | 6
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| Gametes are produced by the process of? | Meiosis
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| Unlike mitosis, meiosis results in the formation of? | 4 genetically different cells/haploid cells
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| The passing of traits from parents to offspring is called? | Heredity
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| The scientific study of heredity is called? | Genetics
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| The "father" of genetics was? | Gregor Mendel
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| An allele that is always expressed whenever it is present is called? | dominant
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| The phenotype of an organism is? | The physical appearance of a trait
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| If an individual possesses two recessive alleles for the same trait, the individual is said to be? | Homozygous for the trait
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| When an individual heterozygous for a trait is crossed with an individual homozygous recessive for the trait, the offspring produced will? | All have the same genotype
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| If a characteristic is sex-linked, the gene for it is found on? | A Sex chromosome
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| Since the allele for colorblindness is located on the X chromosome, colorblindness is? | sex linked
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| A diagram in shich several generations of a family and the occurrence fo certain genetic characteristics are shown is called a? | Pedigree
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| What would be the blood type of a person who inherited an A allele from one parent and an O allele from the other? | Type A
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| How many chromosomes are in the body cells of an organism that has a haploid number of 8? | 16
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| The diploid number of chromosomes in a human skin cell is 46. The number of chromosomes found in a human egg cell is? | 23
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| A woman is Type O and marries a man who is Type AB; which of the following would be possible offspring? | Type A and Type B
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| Horses born to 2 palomino (golden coated) horses have a 25% chance of having a white coat, a 25% chance of having a brown coat, and a 50% chance of having a palomino coat. Which description of inheritance explains the coat color trait in these horses? | Coat color is an incompletely dominant traint
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| Adrenoleulodystropy (ALD) is a sex-linked recessive trait that affects the nervous system. In one family, the father, mother, and elder son do not have ALD, while the younder son has ALD. Who must be a carrier of the ALD allele? | The Mother
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| Dimples are dominant to no dimples. What would the phenotypic ratio be of a cross between: Dd X Dd | 3:1
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