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Download Heredity 1)Heredity is the ______ of the qualities that were passed
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Heredity 1)Heredity is the ______ of the qualities that were passed from your ancestors through your ______________ to you. 2)The qualities you inherit make you _____________. 3)Understanding the role of ________ can help you understand yourself. 4)Heredity influences _____________ qualities and _________________ development. 5)List some of the dominant features you exhibit (page 27). 6)List some of the recessive features you exhibit (page 27). 7) The science that studies heredity is called _________________. 8) Each human being begins life with ______ chromosomes from their mother and _______ chromosomes from their _____________, so a healthy human being has _______ total chromosomes. This genetic blueprint exists in the _____________ of every cell in the body. 9) Chromosomes contain long, ladder type strands of DNA (deoxyribonucleic acid) that carry genetic information. These are called ___________. A _________ is the most basic unit of heredity. ____________ determine our inherited characteristics or ___________. 10)Researches suggest there are 100,000 genes in ___________ beings. 11)____________ genes overrules a recessive gene. 12) ___________ genes show up when two of them are present. 13) DD – Dominant trait rD - D dominates! rr – recessive trait 14) Punnett Square: Invented by R.C. __________. Helps us see how genes combine and what features are the result. 15) Punnett Square r D r D 16) Each offspring will have a _______ percent chance of inheriting the characteristic indicated in each box. 17) The sex of a child is determined by the ______ _______________. Females have_____ X chromosomes and Males have one_____ and one ______ chromosome. The mother has only x chromosomes! Males pass either an ____ or _____ chromosome to the child which determined the gender of the child. 18) _________________________ is affected by the genes you inherit and other factors that foster brain development. 19) It is important to note that a “Use it or_________ it” rule seems to be in force regarding brain development. 20)Some people are ______________ of hereditary diseases. They may not have the disease but may pass the disease to their children. This happens because the carrier has one ___________ gene carrying the disease trait and one dominant gene carrying a healthy trait.