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Mendelian Genetics
Page 3
Questions (163)
4. Hitchhiker's thumb (H) is dominant to no hitchhiker's thumb (h). A woman who does not have hitchhiker's thumb marries a man
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somebody
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What did Mendel's cross-pollination of pea plants prove?
Responses Inherited factors combine in offspring to create entirely new
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Remember: TT=blue tail Tt,tT= blue tail tt=orange tail
Gene No.of Times. Tail color. Totals of each tail color TT. _____. _____.
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Think about the nature of Mendel's experiments. Why could he have confidence in his results?
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How do Mendel's results relate to your critter model? Explain you Mendel's evidence and interpretation related to your model
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what is a testcross.
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emily
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Pea plants were used by Gregor Mendel in the first genetic crosses that enabled him to formulate the laws of inheritance and
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In a group of cucumber plants, some individuals have bumpy fruit and others have smooth fruit. In this group, the gene for the
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In the animation, one P generation parent produces round, yellow seeds, and the other parent produces wrinkled, green seeds. In
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emily
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Two pea plants that are true-breeding for recessive white flowers are mated and their offspring analyzed. Which of the following
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emily
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Mendel’s breeding experiments with pea plants indicate that alleles of a gene separate during
A. meiosis. B. mitosis. C.
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emily
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Mendel’s primary contribution to our understanding of genetic inheritance was
A. determining that DNA contains information that
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emily
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In a particular plant, two genes control height and flower color. Tall height (T) is dominant to short height (t). Yellow
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emily
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The pedigree shown most likely represents a condition that is
A. sex-linked dominant. B. sex-linked recessive. C. autosomal
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emily
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In modern terms, Mendel’s law of –
states that each gamete formed through – receives a – , while the law of – states
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emily
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In modern terms, Mendel’s law of segregation
states that each gamete formed through meiosis receives a single allele of each
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emily
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When Mendel crossed a set of “true-breeding” purple-flowered (PP) pea plants with a set of true-breeding white-flowered (pp)
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emily
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A plant with white flowers was crossed with a plant with red flowers. All of the offspring had pink flowers. Which of these
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The intelligence of a person has no correlation with his/her height. Which of Mendel's principles does this illustrate?
a
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Which of the following is true about the offspring resulting from the cross?
a About half are expected to be short. b All are
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Mendel called plants that received different alleles for a trait from each parent _________________ .
a purebred b hybrids c
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Mitchell and Emma are senior students that share a biology class. Their high school has a section on school property that has
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Mendel's Law of Dominance states with a cross between two organisms,
An Overview On Law Of Segregation And Law Of Dominance a the
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SELECT ALL answers that are correct.
Question 1 options: The dominant trait is ALWAYS seen when a dominant allele is present. The
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A parent that is heterozygous for two different traits (AaBb) can pass any combination of two alleles (AB, Ab, aB, or ab) to its
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A true breeding white flower with round petals is crossed with a true brreding yelow flower with pointed petals in f1 all of the
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FRREE
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Define genotype and phenotype, homozygous, heterozygous, dominant and recessive
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Within a population of butterflies, the color brown (B) is dominant over the color white (b). And, 29% of all butterflies are
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Andrew willams
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In Mendel's experiments with pea plants, the term "dominant" refers to:(1 point)
Responses The allele that is masked in the
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The 9:3:3:1 ratio of phenotypes that occurs in the F2 generation of the cross shown below can be explained using
a. Mendel’s
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Which of the following statements is NOT true?
a. A heterozygous organism may have the same phenotype as a homozygous organism.
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Two organisms that are true-breeding for a certain genetic characteristic are mated and their offspring analyzed. Which of the
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In a particular plant, two genes control leaf shape and color. Round leaves (R) are dominant to jagged leaves (r). Yellow fruits
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Suppose D were dominant and d were recessive, and you could label the D allele in the P generation with a radioactive substance
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Which of the following expresses Mendel’s law of segregation?
a. Gametes with recessive alleles will fuse only with each other.
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In a genetic cross of Gg with Gg guinea pigs, none of the four offspring were gg. This
a. neither supports nor disproves
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Which of the following is the mechanism described by Mendel that results in a new combination of alleles in a pea plant seed?
a.
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The figure shown below indicates two Labrador retrievers that are both homozygous recessive for fur color. One dog is brown and
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When Mendel proposed the law of segregation, which of the following pieces of information did he NOT have?
a. knowledge of the
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Why did Mendel analyze thousands of plants while conducting his research?
a. to eliminate the probability of mutations affecting
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In a genetic cross of Gg with Gg guinea pigs, none of the four offspring were gg. This
a. disproves Mendel’s law of independent
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Mendel’s laws of segregation and independent assortment both have their biological basis in events that take place during
a.
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In Mendel’s controlled mating experiments, the individuals produced by crossing two true-breeding parents are referred to as
a.
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Which of the following did Mendel use to help him form the law of independent assortment?
a. dihybrid crosses between pea plants
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Mendel’s laws
a. determine whether an allele is dominant. b. are less accurate than Punnett square results. c. predict
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In Mendel’s controlled mating experiments, the individuals produced by crossing two true-breeding parents are referred to as
a.
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Mendel’s laws of segregation and independent assortment both have their biological basis in events that take place during
a.
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Which of the following statements is a basic summary of one of Mendel’s laws?
a. Recessive alleles cause the death of the
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Two organisms that are true-breeding for a certain genetic characteristic are mated and their offspring analyzed. Which of the
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What is the smallest number of traits that are needed to test Mendel’s law of independent assortment?
a. eight b. four c. one
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Parent Categories (9)
DNA and Genes
Genetics
Genetics and Heredity
Inheritance
Inheritance of hair type
Inheritance of Traits
Inheritance Patterns
Inheritance/Genetics
Plant Reproduction