Heredity

What are the phases of meiosis I?

What is the role of meiosis I?

What are the phases of meiosis II?

What is the role of meiosis II?

Identify three differences between meiosis I and meiosis II.

Identify what part of meiosis results in the reduction of chromosome number.

What are the phases of mitosis?

a. Describe each phase.

Describe the daughter cells resulting from mitosis.

Describe the daughter cells resulting from meiosis.

Identify three similarities between mitosis and meiosis.

Identify three differences between mitosis and meiosis.

When do homologous chromosomes separate during meiosis?

How do homologous chromosomes separate during anaphase?

How do daughter cells receive both maternal and paternal chromosomes?

What process occurs during meiosis I that causes daughter cells to be haploid?

What is crossing over?

How does crossing over increase genetic diversity?

What is independent assortment?

How does independent assortment increase genetic diversity?

What is random fertilization?

How does random fertilization increase genetic diversity?

What substances are the carriers of genetic information?

What organisms have ribosomes?

a. How does that demonstrate common ancestry?

How does a shared genetic code demonstrate common ancestry?

What metabolic process do all organisms undergo which demonstrates common ancestry?

What is the law of independent assortment?

What is the law of segregation?

What is the expected ratio of a monohybrid cross based on Mendel’s laws?

What is the expected ratio of a dihybrid cross based on Mendel’s laws?

What is the probability of AaBbCCDd in a tetrahybrid cross?

What are the parent’s genotype if the F1 ratio is 1:1?

What is complete dominance?

What is incomplete dominance?

What is codominance?

How are the phenotypic and genotypic ratios of a monohybrid cross different in these different levels of dominance?

What are linked genes?

a. How are the predicted ratios different in linked genes?

If the recombination frequency is 15%, how far apart are the two genes?

If a male is affected with a sex-linked trait with unaffected parents, what are the genotypes of the parents?

What type of sex-linked cross would result in a 2 normal females, 1 normal male, and 1 affected male?

What is a polygenic trait?

What organelles contain DNA?

a. How does this support the endosymbiotic theory?

If a trait is mitochondrially linked, what is the mode of inheritance?

If a trait is found on the DNA in a chloroplast, what is the mode of inheritance?

What would you look for in a pedigree to identify if the trait is dominant or recessive?

What would you look for in a pedigree to identify if the trait is autosomal or sex-linked?

What would you look for in a pedigree to identify if the trait is due to non-nuclear inheritance?

What is phenotype plasticity?

a. Identify two examples of phenotype plasticity,

b. What is the evolutionary significance of phenotype plasticity?

How do environmental factors affect gene expression?

What occurs during segregation in meiosis?

a. What phase does it take place in?

What occurs during independent assortment in meiosis?

a. What phase does it take place in?

What is fertilization?

How does segregation lead to genetic variation?

How does independent assortment lead to genetic variation?

How does fertilization lead to genetic variation?

What is the chromosomal basis of inheritance?

Identify two genetic disorders resulting from a single affected allele.

Identify two genetic disorders resulting from a chromosomal change.

What is nondisjunction?

Identify two genetic disorder resulting from nondisjunction.