1. 2. 3. Definition A. Specific characteristics that vary among individuals B. The offspring of true-breeding parents wi

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1 2 3 Definition A Specific Characteristics That Vary Among Individuals B The Offspring Of True Breeding Parents Wi 1 (44.62 KiB) Viewed 13 times

1 2 3 Definition A Specific Characteristics That Vary Among Individuals B The Offspring Of True Breeding Parents Wi 2 (47.86 KiB) Viewed 13 times

1. 2. 3. Definition A. Specific characteristics that vary among individuals B. The offspring of true-breeding parents with different traits C. Factors that determine traits genes hybrids traits. 4. alleles D. Sex cells, egg or sperm 5. gametes E. The different forms of a gene genotype homozygous a. Organisms that have two identical alleles for a particular trait (TT or tt) phenotype b. Organisms that have two different alleles for the same trait (Tt) heterozygous Tt c. Physical characteristic of an organism (tall) d. Genetic makeup of an organism (Tt) 1. Determine traits 2. Can be two of these in one gene 3. Allele that is expressed 4. Where genes come from 5. What genes do during gamete formation Tt A. parents B. alleles C. dominant D. segregate E. genes F₁ Segregation Gametes IN
Write True if the statement is true. If the statement is false, change the underlined word to make the statement true. 1. When offspring show a blend of the parents' traits, one allele is dominant over the other. 2. In complete dominance, the heterozygous phenotype lies somewhere between the two homozygous phenotypes. 3. A heterozygous individual that exhibits the traits of both parents is an example of codominance. 4. Many genes exist in several forms and are said to have codominant alleles. 5. While multiple alleles may exist in a population, an individual usually carries only two alleles for each gene. 6. Traits produced by two or more genes are codominant. 7. Polygenic traits often show a wide range of phenotypes For each of the following examples, write G if the trait is determined by genotype, and E if it is determined by environment. 1. A blue-eyed girl is born to two blue-eyed parents. 2. Bees in a colony are assigned different jobs. As they develop, workers begin to look dramatically different. 3. A pair of twins is separated at birth. They grow up in different countries and speak different languages. 4. A litter of puppies is born. They are all gray except one, which is brown. 5. Tall pea plant seeds are planted in different locations around a yard. They produce plants of different heights. 6. A kitten is born with six toes. 7. A rabbit is born weak with hunger.