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32 Cards in this Set
- Front
- Back
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two blue flowers are crossed, one is homozygous and one is heterozygous for flower color . if blue is the dominant allele and white is recessive, what will be the ratio of colors in the offspring plants?
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0 white: 4 blue
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mendel concluded that _______ factors control each inherited trait
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two genetic
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parents pass their traits down to their offspring through their _____
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reproductive cells
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a ______ is a part of the DNA code on a chromosome
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gene
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a punnett square shows you all the ways in which ______ can combine
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alleles
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blood type in humans is controlled by _______ alleles
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3
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in a punnett square, a capital letter stands for a _______ allele
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dominant
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what are human blood types
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A, B, AB, O
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an example of a homozygous recessive genotype
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rr
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______ is the study of how traits are passed from parent to offspring
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genetics
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a man and woman want to have a child, but the man is heterozygous (Cc) for a recessivetrait that causes a fatal illness. what is the probability of a child's inheriting the trait
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0%
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self pollination is when the pollen lands on…
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the same plant
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mendel tested ____ of plants
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hundreds
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a true breeding purple plant and a true breeding white plant cross pollinate. the offspring will be…
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a purple hybrid
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which of the following is NOT an example of complex pattern of inheritance
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punnett square
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a recessive trait is observed when _ recessive genetic factors are present in offspring
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2
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a genetic factor that blocks another genetic factor is called a…
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dominant
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what type of inheritance determines eye color
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polygenic. inheritance
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types of RNA
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mRNA tRNA rRNA
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how much dna in human chromosomes does not form genes and is considered junk dna
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97%
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which of the following is NOT part of a choromosome
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cell
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pedigree
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traces inheritance of a special trait
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heterozgous
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when you have both dominate and recessive alleles
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incomplete dominance
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a phenotype that it a blend of parent pheonotypes
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genetics
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a heredity unit consisting of a sequence. of dna
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homozygous
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the same allele either dominant or recessive
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heredidty
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the genetic transmission of dna characteristics
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phenotype
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how a trait is expressed physically
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multiple alleles
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3 or more alternative forms of a particular gene existing in a population
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dominant factor
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a genetic factor that blocks another genetic factor
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recessive factor
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a genetic factor that is blocked by the presence of a dominant factor
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allele
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2 or more genes which control the same characteristics
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