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CHF201C3

CHF 201 Chapter 3 Flashcards

QuestionAnswer
Genes segment of DNA that contain genetic information
Chromosome DNA molecule that carries several thousand genes
Gametes Human Reproductive Cells
Ovulation release of ovum from ovary about fourteen days after the beginning of each menstrual period
Conception occurs in Fallopian tubes
Zygote union of ovum
Dizygotic twins two ova that are fertilized by two sperm
Monozygotic twins have identical genes because they were formed from one zygote that split into two identical organisms very early in development
Body cells reproduce by process of mitosis
Reproductive cells divide by process of meiosis. In this case, the sperm or ovum receives only one member of each chromosome pair
Genotype Actual genetic potential
Phenotype result of interaction of genes and environment
Additive Pattern Each gene affecting a specific trait makes an active contribution to the final outcome
Multifactorial traits Characteristics produced by the interaction of several genetic and environmental influences
Polygenic traits Characteristics produced by the interaction of many genes
Dominant – Recessive Pattern Dominant are those which, when combined with a recessive gene, will be expressed in the phenotype
X-linked recessive genes located on only the X chromosome
GENETIC COUNSELING , some negative effects can be avoided or minimized
Created by: spicywafflefries
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