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Heredity and Reproduction Answer Key

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Cell Division
#1 These are the three reasons why cells divide. Reproduction, growth, and repair.
#2 These are the two general types of cell division. Asexual and Sexual reproduction.
#3 Budding, binary fission, and regeneration are three types of what? Asexual reproduction.
#4 What is a DISADVANTAGE of asexual reproduction? Genetically identical so they are vulnerable to disease.
#5 What is an ADVANTAGE of asexual reproduction? Fast - lots of new individuals very quickly, no need to find a partner, and/or favorable traits are passed on from parent.
Intro to Genetics
#1 This is the study of heredity and the variation of inherited characteristics. Genetics
#2 These are a set of instructions for an inherited trait. Gene(s)
#3 This is a structure in the nucleus made of protein and DNA. Chromosome
#4 Your hair color is an example of what in Genetics. A Trait.
#5 Heredity is... ...the passing of genetic material from parent to offspring.
Mitosis vs. Meiosis
#1 The life cycle of a cell is called ________________. The cell cycle.
#2 These are the three stages of the cell cycle. Interphase, mitosis, and cytokinesis.
#3 Which process results in two GENETICALLY IDENTICAL daughter cells? Mitosis
#4 Which process results in four GENETICALLY DIFFERENT daughter cells? Meiosis
#5 These are the four stages of mitosis. Prophase, metaphase, anaphase, and telophase.
Heredity
#1 These are different versions of the same gene. Alleles
#2 This is the combination of alleles you inherit from your parents. Genotype
#3 These genes have either two dominant or two recessive alleles. Homozygous
#4 ___________ alleles are seen in the phenotype if at least ONE is present in the DNA. Dominant
#5 This is the process we use to find the probability of inherited traits in offspring. Punnett squares.
Throwback Thursday
#1 This type of rock is formed by cooling lava/magma. Igneous
#2 This is the process that drives plate tectonics. Convection currents in the mantle.
#3 This is the act of clearing a wide area of trees. Deforestation
#4 These are the three types of PLATE boundaries. Convergent, divergent, and transform
#5 This states that the older sedimentary rock layers are down on the bottom and the younger layers are on the top of them. The Law of Superposition
Final Question
This is an illustration of how parents may pass on alleles to their offspring. A pedigree