4. Albinism is caused bya recessive al lele. A brown rabbit crossed with an albino rabbit produces 12 brown offspring. When the albino rabbit is crossed with a second brown rabbit, 7 brown and 5 albino offspring are produced. What is the best explanation for this genetic situation? Write the genotypes of each of the parents and their offspring. A First set of parents First set of offspring Cenng to ri Second set of parents e 1:s!! A A Second set of offspring Sbl

4. Albinism is caused bya recessive al lele. A brown rabbit crossed with an albino rabbit produces 12 brown offspring. When the albino rabbit is crossed with a second brown rabbit, 7 brown and 5 albino offspring are produced. What is the best explanation for this genetic situation? Write the genotypes of each of the parents and their offspring. A First set of parents First set of offspring Cenng to ri Second set of parents e 1:s!! A A Second set of offspring Sbl

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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16. A test cross is done to determine: the genotype of an individual showing a known phenotype the phenotype of an individual with a known genotype the genotype of an individual showing a dominant phenotype if an individual showing a known phenotype is homozygous or heterozygous
2. Cross a Brown and White Spotted Cow with a White Cow. What is the percentage of the genotype and phenotype of the offspring? What type of punnett square will you be using for this cross? Codomnent BB WW Parents: Genotypes: P1 x P2 Offspring: Genotype: Phenotype:
Epistasis is most accunately defined as: A.the genotype of the mother determining B. the alleleo of one gene Rraoking the dominant alleles of another C. inactivation defined as: the offaing phenotype of of the allele from one parent and express ion from the other D.la single gene affecting a single hrait E.the inhaitance of hoo or more chromosome genes close on the same together
20. Genetic linkage causes alleles located on the SAME chromosome to be inherited togeher. O True False
1 p The pedigree below shows the blood types of the Jones family. Review the pedigree and determine the possible genotype(s) of individual 12. AB AB #11 #12 #13 O a. AA O b. 1A Oc. i O d. Only a and b are possible genotypes O e. All of these are possible genotypes
3. You are studying single gene traits in peas. These are the traits you are following: Gene Symbol Alleles enistic Pairs Appeerance of Hybrid dominant ait) Seed eoler deteric Yellow pea is dominant to green Round pea is dominant to wrinkled Purple flower is dominant to white flowers Unripe pods are dominant to ripe pods Yly R/r Yellow P/p U/u ound Wrinkied Round Flower clor You cross pollen from a pea that is of genotype YyRrPpUu with ovules from a pea whose genotype is YYrrPpUU a. How many different types of gametes can the female produce? Pod color (up) b. How many different types of gametes can the male produce? C. What fraction of the progeny will be phenotypically identical the female parent? d. What fraction of the progeny will be phenotypically identical the male parent? e. What fraction of the progeny will be homozygous at all seven loci? f. What fraction of the progeny will be heterozygous at all seven loci?
3. For the following crosses, describe the genotype and phenotype frequencies of the offspring. I recommend using Punnett squares for each. Offspring phenotypes and frequencies А - 50% О -50% Parental Offspring genotypes and frequencies Parental genotypes phenotypes LAj x i Ai – 50% ii – 50% A and O Bị x Ai BIB x Ai AA x IBIB Bị x Bi AB x i
а. Legend Exhibits Trait Unaffected Matings Male Offspring Female The trait explored in the above diagram is inherited as a recessive trait. O True O False
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