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sex & asex

QuestionAnswer
heredity passing of physical characteristics from parents to offspring
fertilization when an egg and sperm join
genetics the scientific study of heredity
trait characteristic that an organism can pass on to its offspring through its genes
purebred the offspring of many generations that have the same trait
gene factors that control a trait
dominant allele one whose traits always shows up in the organism when the allele is present
recessive allele is hidden whenever the dominant allele is present
probiblity is a number that describes how likely it is that an event will occur
punett square a chart that shows all the possible combinations of alleles that can result from a genetic cross
asexual reprodution does not involve the fusion of gametes. All traits are inherited from one parents
sexual reproduction Involves the fusion of gametes. The offspring is the result of two parents
homeostasis ability of warm blooded animals to mantain constant body temputure
ribosomes make protein
XY male
XX female
gamete sex cell ; (female): egg / ovum (males): sperm
where does meiosis take place ? gonads
gonads (female): ovary (male): testes
what 2 cycles does meiosis take place ? meiosis I & meiosis II
phases in meiosis I prophase I metaphase I anaphase I telophase I
mitosis the orderly process of cell division controlled by enzymes abnormal cell growth is cancer
when does DNA replication occur ? before cell divides ; mama keeps a set of DNA for herself & passes a copy on to her baby
centrioles organelle near the nucleous in animal cells occuring in pairs & involved in the development of spindle fibers & cell division
Created by: gholmes
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