Hereditary Review

Where is all the genetic information in a cell?

• Nucleus
• Nucleotides
• Chromosomes
• Cytoplasm

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How many chromosomes do you get from each parent?

• 22
• 23
• 44
• 46

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Where are genes located?

• On the chromosome, in the nucleus
• On the nucleus inside the chromosome
• on the ribosome in the mitochondria
• on the moon

How is tossing a coin the same as a Pp parent giving a gene to an offspring?

• they are not the same
• there is a 50% chance of getting either allele, there is a 50% chance of getting heads or tails
• there is a 100% chance of getting the one you want
• there is a 25% chance of getting either allele, there is a 25% chance of getting heads or tails

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A plant with two dominant or two recessive alleles is said to be 

• heterozygous
• homozygous
• cross pollinating

The one thing that Gregor Mendel realized could explain the results of his experiments was that

• the traits were appearing at random
• the male traits were always the dominant ones
• each trait had two sets of instructions, one from each parent
• his important research would open the door to modern genetics

The different forms of a gene that determine a characteristic are known as

• alleles
• albinism
• phenotype
• genes

What is heredity?

• traits passing from offspring to parents
• plants that are cross-pollinated
• traits passing from parents to offspring
• the ratio of dominant to recessive traits

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What is a phenotype?

• the way an organism feels
• a dominant gene
• a group of 5 alleles
• the way an organism looks

An organism's inherited alleles together form its 

• phenotype
• pedigree
•  genotype
• probability

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