ANSWERS RATED A+
✔✔List types of mutations. Rank them in order of effect on protein products. - ✔✔Frame
Shift: Extremely bad, either done by an insertion mutation or deletion mutation. Either
way, this moves all codons by one in either direction.
Substitution: Not as bad, just changes a base.
✔✔Mutations can be positive or negative, give two examples of negative or positive
mutations. - ✔✔Positive: Advanced hearing, advanced camouflage.
Negative: Blind or bright colored.
✔✔Name the two events in meiosis that contribute to gene reorganization - ✔✔Cross
over/ recombination and Independent assortment.
✔✔What is the blood type that is the universal receiver, including ABO and Rh? - ✔✔AB
pos
✔✔ Meisosis results in - ✔✔4 different haploid cells
✔✔The purpose of meiosis is to - ✔✔produce gametes (eggs and sperm)
✔✔There are _____ Cell divisions in meisosis - ✔✔2
✔✔Meiosis occurs in the _______ - ✔✔Ovary or testes
✔✔DNA replication occurs during ________ - ✔✔Interphase 1
✔✔Recombination or 'crossing over' occurs in ________ - ✔✔Prophase 1
, ✔✔Independent assortment of homologous chromosomes occurs in ________ -
✔✔Interphase 1
✔✔The DNA condenses, nuclear envelope disintegrates and centrioles move to
opposite poles, during ________ - ✔✔Prophase 1 and Prophase 2
✔✔The homologous chromosomes pair up during - ✔✔Prophase 1
✔✔Individual (single) chromosomes are arranged on the equator during ________ -
✔✔Metaphase 2
✔✔The sister chromatids seperate from each other during - ✔✔Anaphase 2
✔✔The homologous chromosomes separate from each other during ________ -
✔✔Anaphase 1
✔✔New nuclei form and the spindle fibers disintegrate during ________ - ✔✔Telophase
1 and 2
✔✔Oogenesis occurs in the ________ - ✔✔Ovaries
✔✔Spermatogenesis begins at ________ - ✔✔puberty
✔✔Oogenesis ends at ________ - ✔✔menopause
✔✔If fertilization occurs, the result of oogensis is - ✔✔1 egg, 2 polar bodies
✔✔Sperm are very large, mobile, and have a tail called a flagellum. True or False? -
✔✔True
✔✔Eggs are very large, immobile and don't have a tail. True or False? - ✔✔True
✔✔A woman can release (Ovulate) millions of eggs in her lifetime. True or False? -
✔✔False
✔✔Alleles are ________ - ✔✔alternate forms of a gene
✔✔Mendel counted up ________ in pea plants - ✔✔Phenotypes
✔✔Whether a trait is dominant or recessive is based on ________ - ✔✔The phenotype
of the heterozygote