Test Review
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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| The study of how traits are passed from parents to offspring | Genetics
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| Different genes for the same traits are called | Alles
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| Genes contain instructions for making | Chromosome
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| What is used to predict the possible gene makeup of offspring? | Punnet Square
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| Chromosomes are pieces of what kind of Material? | Dna
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| What does homozygous mean? | Both gene of a pair
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| A sex-linked trait is located on the chromosome? | X chromosome
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| A Sex linked trait is missing what type of chromosome? | Y chromosome
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| Give the genotype of a hybrid animal: ____________ | Aa
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| Give the genotype of a homozygous spotted coat dog | AA
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| Give the genotype of a solid coat dog | aa
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| Give the phenotype of an animal with 2 dominant genes | AA
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| Give the phenotype of an animal with 2 recessive genes | aa
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| Give the phenotype with 1 dominant and 1 recessive gene | Aa
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| Aa
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| For a child to show a recessive trait such as blue eyes, the child must have what genes? | Bb
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| Each parent of the child must have what gene in them for the child to have blue eyes? _____________ | bb
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| A man with blue eyes, whose mother had brown eyes and father had blue eyes, marries a woman with brown eyes, whose father had blue eyes. What is the man’s with blue eyes genotype? | bb
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| A man with blue eyes, whose mother had brown eyes and father had blue eyes, marries a woman with brown eyes, whose father had blue eyes.What is the woman’s with Brown eyes genotype? | Bb
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| A man with blue eyes, whose mother had brown eyes and father had blue eyes, marries a woman with brown eyes, whose father had blue eyes.What is the genotype of the man’s with blue eye's father? | Bb
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| A man with blue eyes, whose mother had brown eyes and father had blue eyes, marries a woman with brown eyes, whose father had blue eyes.What is the genotype of the woman’s blue eyed father? | bb
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| If the man and woman have 4 children, how many would be expected to be heterozygous for eye color? | 50% Bb heterozygaus
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| How many of the children would be expected to have blue eyes? ____________ | 50% bb homozygaus
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| When RR is a red flower, WW is a white flower, and RW is a pink flower, this is an example of what type of inheritance? | Incomplete dominance
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| A sudden genetic change is called a | Mutation
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| What are the two types of mutations? | Chromosmal and Gene Point
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| What is the most common type of mutation and usually is the least drastic? | Gene Point
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| What is the least common type of mutation and usually the most drastic? | Chromosomal
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| What is identical in every cell of an organism? | DNA What is different is which genes are expressed in the cells
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| Two black labs produce a litter of four puppies. Three are black and one is yellow. The yellow coat is probably what type of trait (dominant or recessive)? | Recessive
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| If a sex cell of an organism contains a mutation will the mutation be passed to the offspring? | Yes
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| If a couple wants a boy, what letter (chromosome) must the dad donate in his sperm cell? | Y
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spotsville2
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