ࡱ> <>; :bjbjWW 4*55:XX$$g$.sss#######$%G( $s^sss $ !$ s# s# #Z#k &##7$0g$.#,( :(Z#(Z#xss sssss $ $Y :sssg$ssss(sssssssssX x: Genetics Review Worksheet Name: 1) For each of the genotypes (AA, Aa or aa) below determine what the phenotype would be. Purple flowers are dominant to white flowers in pea plants. PP_____________ Pp____________ pp_______________ Hairy knuckles are dominant to non-hairy knuckles in humans. HH_____________ Hh ___________ hh _________________ Bobtails in cats are recessive. Normal tails are dominant. TT _____________ Tt _________ tt _____________ Round seeds are dominant to wrinkled seeds in pea plants. RR______________ Rr _____________ rr ____________ 2) For each of the following write whether it is HOMOZYGOUS DOMINANT, HETEROZYGOUS OR HOMOZYGOUS RECESSIVE. AA_______________________ gg______________________ Ff_______________________ Pp________________________ GG______________________ tt _______________________ Use the following information for questions 3-4: In dogs, the gene for fur color has two alleles. The dominant allele (G) codes for grey and the recessive allele (g) codes for black fur. 3) The female dog is heterozygous. The male dog is homozygous recessive. Figure out the phenotypes and genotypes possible in their puppies by using a Punnett Square.   Genotypes possible: Phenotypes possible: 4) The female dog has black fur and the male dog is homozygous dominant. Make a Punnett square to determine the chance of getting each genotype and phenotype below.  Genotypes: % Phenotypes: % GG_________ Black fur________ Gg_________ Grey fur_________ gg_________ MULTIPLE CHOICE Write the letter of the best answer to each question. ______6. Which of the following BEST represents the percent of genetic information an offspring receives from each parent? A. Females receive 100% from the mothers, males receive 100% from their fathers B. Offspring receive 75% from the same-sex parent and 25% from opposite sex parent C. Both parents contribute equally to offspring, so each contribute 50% D. Offspring receive 75% from the dominant parent and 25% from the recessive parent _____7. Which of these is NOT an example of asexual reproduction? A. a bacterium dividing into two cells B. a coral polyp budding off from its parent C. a pollen grain being transferred to a pistil in a flower to produce seeds D. a new plant growing from a cutting of a parent plant _____8. Which of these organisms reproduce sexually? A. humans B. plants C. both A and B D. none of these _____9. Genetic information is passed on during sexual reproduction when A. one sex cell from a female combines with one sex cell from a male B. one sex cell from a female combines with several sex cells from a male C. one sex cell from a male begins to rapidly multiply by itself D. one sex cell from a female begins to rapidly multiply by itself _____10. Offspring that are the result of sexual reproduction are A. never identical to parent C. always identical to parent B. sometimes identical to parent D. always identical to their siblings _____11. Which of the following is an example of asexual reproduction? A. a fish releases sperm which unites with an egg from another fish B. a worm is split in two and each half grows back into a complete worm C. a gray cat is the offspring of a black cat and a white cat D. flowers from two different plants are cross-bred to produce a seed _____12. 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