Unit Test Study Guide - NJCTL



Unit Test Study Guide7th Grade PSI Science Name ___________________________________Use the chart to answer questions 1-5:A B represents large lips and b represents smaller lips.FatherMotherBbBBWhat trait can only be inherited from the father? ___________________________________What is the phenotype for the father? ____________________________________________What is the phenotype for the mother? ___________________________________________Set up and complete the monohybrid cross in the space below:What is the probability (as a percentage) of offspring that will have big lips? _______________The process in which DNA is duplicated in the cell prior to the cell dividing is called ____________________________________.The process in which the sex cell divides and splits the DNA in half is called _________________.Name three differences between sexual reproduction and asexual reproduction: Which type of reproduction would create offspring that look more similar to the parent?SEXUALb) ASEXUALOne parent has blue eyes (genotype: bb). The other parent has brown eyes (genotype: unknown). They have 6 children and 1 of these children has blue eyes. What must be the genotype of the brown-eyed parent?________________________Why? __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________For questions 11-12, corn plants can either have normal height (N) or short height (n). Which trait is dominant? _____________________________________________Use this information to complete each of the crosses below:Homozygous dominant x Homozygous recessive:Homozygous dominant x Heterozygous:Heterozygous x Heterozygous:Homozygous recessive x Heterozygous:In a-d, shade the homozygous dominant offspring red - heterozygous offspring are green - homozygous recessive offspring leave white. ................
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