genetics and heredity 1. use the punnett square on the board to answer the next few questions. 2....
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Genetics and Heredity
1. Use the Punnett Square on the board to answer the next few questions.
2. Remember to use your activote when you have chosen your correct answer.
3. AFTER we have discussed and displayed the correct answer, fill in your study sheet accordingly.
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What color eyes does the father have?a. Blue
b. Brown
c. Hazel
d. Green
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What color eyes does the mother have?
a. Blue
b. Brown
c. Hazel
d. Green
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What gene combinations should appear in the empty Punnett Square boxes?
a. Bb, Bb, bb, bb
b. BB, BB, BB, bb
c. Bb, bb, bb, BB
d. Bb, bB, Bb, bB
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What percentage of the offspring could be hybrid dominant?a. 0%
b. 25%
c. 50%
d. 100%
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Are there any pure dominant gene combinations?
a. Yes b. No
If there was a pure dominant gene combination, what would it have been?
a. Bb b. BB c. bb
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What is the percentage of pure dominant?
a. 100%
b. 75%
c. 25 %
d. 0%
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Are there any pure recessive?
a. Yes b. No
What is the gene combination of the pure recessive traits?
a. bb b. Bb c. BB
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What is the percentage of the pure recessive combinations?
a. 0%
b. 25%
c. 50%
d. 75%
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Which parent is pure for the trait?
a. Mother b. Father
Which parent is hybrid for the trait?
a. Mother b. Father
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A gene combination in which a mixture of traits shows is called?
a. Mixing
b. Blending
c. Reproduction
d. Dominance
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The nitrogen bases that help for the steps of a DNA ladder must join in a certain way. What is the correct way?a. Adenine—guanine, thymine---cytosine
b. Thymine---guanine, adenine---cytosine
c. Thymine---adenine, cytosine---guanine
d. Adenine---guanine, guanine---cytosine
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The sides of a DNA ladder are made of?
a. Phosphates
b. Sugars
c. Phosphates and sugars
d. Nitrogen bases
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Characteristics of an organism are called?
a. Genes
b. Traits
c. Alleles
d. Punnett Squares
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An organism with two like genes for a trait is said to be?a. Hybrid
b. Simple
c. Heterozygous
d. pure
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A molecule of DNA would have to contain what?
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When one parent is pure dominant and the other is pure recessives, all the offspring are:
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Humans have a total of _____ chromosomes and get _____ from each parent.
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A dominant gene always shows itself over what?
a. A blended gene
b. A recessive gene
c. A progressive gene
d. A regressive gene
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A pea plant with two tall genes is said to be_________________.
a. Hybrid dominant
b. Recessive dominant
c. Pure dominant
d. Very dominant
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A punnett square shows possible combinations of?
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A human female has what type of chromosomes?
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The scientist known as the “Father of Genetics” is?
a. Irwin Molasky
b. Mrs. Pili
c. Barbara McClintock
d. Gregor Mendel