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What are two ways that sexual reproduction helps create and maintain genetic diversity?
Independent assortment of chromosomes during meiosis and random assortment of gametes.
How is the production of unique genetic combinations an advantage to organisms and species?
Certain traits allow some to survive better than others.
If genes A and B are located on separate, non-homologous chromosomes, will they follow Mendel's law of independent assortment? Explain.
Genesis comes from a Greek word that means "to be born." How does this relate to the meaning of gametogenesis?
Mendel concluded that traits are inherited as "discrete units." What do we call these discrete units today?
You know a ratio is a comparison that tells how two or more things relate. What is a genotypic ratio? a phenotypic ratio?
Suppose an organism had the genotype AABb. What two types of gametes could result from this allele combination?
What is the phenotypic ratio that results from a dihybrid cross between two organisms that are heterozygous for both traits? See Figure 5.5 for help.
Probability predicts the _______________ number of occurrences, not the _______________ number of occurrences.
To calculate the probability that two independent events will happen together,
_______________ the probability of each individual event.
In Figure 5.6, the probability of getting one coin that is heads up and one coin that is tails up is _______________.
If genes A and B are located at opposite ends on the same chromosome, are they likely to follow Mendel's law of independent assortment? Explain.
If genes A and B are located very close together on the same chromosome, are they likely to follow Mendel's law of independent assortment? Explain.
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