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1. The single locus cross with simple dominance heredity: Freckles are dominant (F), and no freckles is recessive (f). Two parents both have freckles. a. What are their possible genotypes?, FF b. Make one Punnett square for these three different cases (in some cases you have to choose one Punnett square from multiple possibilities): i. Both parents are homozygous, ii. Both parents are heterozygous, iii. One parent is homozygous and the other is heterozygous. ij FFFFF iFf 100% f Edes 75% (009 f Go back to each of the above Punnett squares, and indicate what percentage of the couple's children would you expect to have freckles? Steve 2.) Co-Dominance: ABO Blood Type have talked about genes that have two different alleles (Brown and blue eye Cp242 Op23 pigment, for example). However, there can be genes with more than two alleles, though any one person can only have two. One example of a multi-allele trait is the ABO blood group. This gene is located on the long arm of chromosome 9 (see left). Furthermore, there are three possible alleles are A, B and O. The A and B alleles each code for a different protein. The O allele results in no protein. g213 p211 O132 Gp12 9 11 a2113 Go1 31 21 33 S60232 91.1 93 331 O93313 9g412 9042 Every person has two ABO alleles: AA, AO, BB, BO, AB or OO. The A and B proteins are expressed on the surface of red ABO Blood Group Type ШЦD L4

1. The single locus cross with simple dominance heredity: Freckles are dominant (F), and no freckles is recessive (f). Two parents both have freckles. a. What are their possible genotypes?, FF b. Make one Punnett square for these three different cases (in some cases you have to choose one Punnett square from multiple possibilities): i. Both parents are homozygous, ii. Both parents are heterozygous, iii. One parent is homozygous and the other is heterozygous. ij FFFFF iFf 100% f Edes 75% (009 f Go back to each of the above Punnett squares, and indicate what percentage of the couple's children would you expect to have freckles? Steve 2.) Co-Dominance: ABO Blood Type have talked about genes that have two different alleles (Brown and blue eye Cp242 Op23 pigment, for example). However, there can be genes with more than two alleles, though any one person can only have two. One example of a multi-allele trait is the ABO blood group. This gene is located on the long arm of chromosome 9 (see left). Furthermore, there are three possible alleles are A, B and O. The A and B alleles each code for a different protein. The O allele results in no protein. g213 p211 O132 Gp12 9 11 a2113 Go1 31 21 33 S60232 91.1 93 331 O93313 9g412 9042 Every person has two ABO alleles: AA, AO, BB, BO, AB or OO. The A and B proteins are expressed on the surface of red ABO Blood Group Type ШЦD L4

Human Anatomy & Physiology (11th Edition)
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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1. The single locus cross with simple dominance heredity: Freckles are dominant (F), and no freckles is recessive (f). Two parents both have freckles. a. What are their possible genotypes?, FF b. Make one Punnett square for these three different cases (in some cases you have to choose one Punnett square from multiple possibilities): i. Both parents are homozygous, ii. Both parents are heterozygous, iii. One parent is homozygous and the other is heterozygous. ij FFFFF iFf 100% f Edes 75% (009 f Go back to each of the above Punnett squares, and indicate what percentage of the couple's children would you expect to have freckles? Steve 2.) Co-Dominance: ABO Blood Type have talked about genes that have two different alleles (Brown and blue eye Cp242 Op23 pigment, for example). However, there can be genes with more than two alleles, though any one person can only have two. One example of a multi-allele trait is the ABO blood group. This gene is located on the long arm of chromosome 9 (see left). Furthermore, there are three possible alleles are A, B and O. The A and B alleles each code for a different protein. The O allele results in no protein. g213 p211 O132 Gp12 9 11 a2113 Go1 31 21 33 S60232 91.1 93 331 O93313 9g412 9042 Every person has two ABO alleles: AA, AO, BB, BO, AB or OO. The A and B proteins are expressed on the surface of red ABO Blood Group Type ШЦD L4
Transcribed Image Text:1. The single locus cross with simple dominance heredity: Freckles are dominant (F), and no freckles is recessive (f). Two parents both have freckles. a. What are their possible genotypes?, FF b. Make one Punnett square for these three different cases (in some cases you have to choose one Punnett square from multiple possibilities): i. Both parents are homozygous, ii. Both parents are heterozygous, iii. One parent is homozygous and the other is heterozygous. ij FFFFF iFf 100% f Edes 75% (009 f Go back to each of the above Punnett squares, and indicate what percentage of the couple's children would you expect to have freckles? Steve 2.) Co-Dominance: ABO Blood Type have talked about genes that have two different alleles (Brown and blue eye Cp242 Op23 pigment, for example). However, there can be genes with more than two alleles, though any one person can only have two. One example of a multi-allele trait is the ABO blood group. This gene is located on the long arm of chromosome 9 (see left). Furthermore, there are three possible alleles are A, B and O. The A and B alleles each code for a different protein. The O allele results in no protein. g213 p211 O132 Gp12 9 11 a2113 Go1 31 21 33 S60232 91.1 93 331 O93313 9g412 9042 Every person has two ABO alleles: AA, AO, BB, BO, AB or OO. The A and B proteins are expressed on the surface of red ABO Blood Group Type ШЦD L4
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