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11 kwi 2022 · Get free genetics worksheets, projects, quizzes, and printables. These resources target college, high school, and middle school. Topics include DNA and RNA, transcription and translation, Mendelian genetics, Punnett squares, incomplete dominance, and evolution.
In plants and animals, organisms exhibiting the dominant trait may be either hybrid (heterozygous) or homozygous dominant (purebred). Since we cannot see an organism’s genes from the outside, and in breeding selectively it may be important to know the exact genotype; a test cross may be helpful.
Genetics Practice Multiple Choice Questions. The first three questions are based on the pedigree to the right: 1. The characteristic indicated by the blackened figures is probably: a. Dominant. b. Recessive. c. Non-dominant.
In peas, yellow colour is dominant to green. What will the colours of the offspring of: (a) a homozygous yellow and a green pea plant. (b) a heterozygous yellow and a green pea plant. (c) a heterozygous yellow and a homozygous yellow pea plant. (d) two plants that are hybrid for the yellow pea seed ? 13.
In pea plants, the round seed allele is dominant over the wrinkled seed allele, and the yellow seed allele is dominant over the green seed allele. The genes for seed texture and those for seed color
In pea plants, round (R) is dominant to wrinkled (r). A heterozygous female is crossed with a wrinkled male. Make a Punnett Square to determine the possible offspring.
Problems Involving Two Genes. man with dark (dominant), curly (see problem I.5.) hair marries a woman with light, straight hair. Their daughter, who happens to have dark hair, marries a man with light, wavy hair. Answer the following questions about this dark-haired daughter and her family.
