2. Complete the following cross:a. In pea plants, the dominant allele T gives a tall phenotype while therecessive allele t has a dwarf phenotype. Draw the Punnett square byclicking on and placing the correct capital or lowercase letter combinationin the boxes. In this example, eggs and sperm can be placed on either topor sideTt x TtWhat is the genotype ratio?What is the phenotype ratio?

Name: 2. Complete the following cross:a. In pea plants, the dominant allele
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Description: 2. Complete the following cross:a. In pea plants, the dominant allele T gives a tall phenotype while therecessive allele t has a dwarf phenotype. Draw the Punnett square byclicking on and placing the correct capital or lowercase letter combinationin

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Biology

Tt x Tt What is the genotype ratio? What is the phenotype ratio?

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter12: Mendel's Experiments And Heredity

Section: Chapter Questions

Problem 4VCQ: Figure 12.16 In pea plants, purple flowers (P) are dominant to white flowers (p) and yellow peas (Y)...

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Figure 12.16 In pea plants, purple flowers (P) are dominant to white flowers (p) and yellow peas (Y) are dominant to green peas (y). What are the possible genotypes and phenotypes for a cross between PpYY and ppYy pea plants? How many squares do you need to do a Punnett square analysis of this cross?
6. Using a Punnet square, please calculate the probability of having a Aabb offspring in a cross AaBb x aaBb 7. What is the probability of having a AAbbCcDd offspring in a cross AaBbCCdd x AabbCcDD? (Please show how you derive your answer) 8. In a cross between a blood type AB male and a heterozygous type B female, what are the possible genotype and phenotype for the offspring? What is the phenotypic ratio? :On D. Focus h. 72°F LL F4 PrtScr Insert Home F5 EZ F8 F9 F10 F11 F12 & 3. 6 7 8. 09. E R Y
9. Make a pedigree for each of the following situations. For each individual, write the individual's genotype (when possible) next to the individual's symbol (e.g. O xty, I Gg): a. Two parents do not have cystic fibrosis and they have a daughter with cystic fibrosis and a son who does not have cystic fibrosis. The daughter grows up and she mates with a male who does not have cystic fibrosis. Their only child is a boy and he has cystic fibrosis. b. A man with hemophilia mates with a female without hemophilia. They have one son and one daughter. The daughter has hemophilia and the son does not have hemophilia. The son grows up, and he marries and mates with a female. Their only child is a boy, and he has hemophilia.
1. Complete the Punnett square for a cross between a homozygous red-flowered snapdragon (RR) and a homozygous white-flowered snapdragon (WW). Give the ratio for the phenotype and the genotype. Key F1 Genotypic Ratio: RR – red Phenotypic Ratio: wW- white RW- pink 2. Complete the Punnett Square for a cross between two Fi plants (WW). Give the phenotypic ratio for the F2 generation. F2 Phenotypic ratio: 3. Cite some possible applications of genetics to plant breeding.
Purple flowers are dominant to white flowers. Identify the phenotypefor the following genotype Ff, FF, ff and determine if the genotype is heterozygous or homozygous. * For each row, you should select two columns. Purple flowers White flowers Heterozygous Homozygous Ff FF ff Brown eyes are dominant to blue eyes. Identify the phenotype for the following genotype BB, Bb, bb and determine if the genotype is heterozygous or homozygous. * 口ロ口

1. You are given a female F1 of unknown genotype. You cross the female fly to a homozygous male that has forked bristles and malformed eyes. The offspring of the cross is shown below: (Define symbols for your traits) Phenotype Forked bristles, normal eyes 752 Number Genotype Forked bristles, malformed 56 eyes Malformed eyes, normal bristles Normal eyes, normal bristles 820 64 a. What are the genotypes of the offspring? b. Based on the progeny, what were the genotypes of the F1 parents? What is the distance between for and mal?
1. Genes A and E are independent. Two individuals with the genotypes AaEe x aaEe are crossed (upper case = dominant, lowercase = recessive). a. Draw your Punnett square(s) in the space below. b. On each line, show your calculations and the final answer. ie 1/2 x 1/2 = 1/4 What is the probability of these two individuals having the following: an offspring with the phenotype aE ? an offspring that is heterozygous for both traits? an male offspring with the genotype AaEE ?
3. A wild flower has a dominant allele of red-flower color which is incompletely dominant over the allele of white-flower color. Draw the Punnett square for the cross. Identify the flower color phenotypes and theoritical percentage.
а. a chart that shows the combinations (results) for a cross 8. Genetics b. a picture (diagram) that shows genetics pass from generation (pass from 9. Alleles parents to kids to 10. Punnett grandkids) Square genotype of 2 DIFFERENT alleles (Bb, Dd, Aa...) с. 11. Phenotype d. the information on the alleles / Genes (ex. TT, Tt, tt) 12. Genotype e. a person's Physical appearance; their characteristics (ex. Brown eyes) 13. Homozygous f. a type of gene - we get one from our mom and one from our dad. 14. Heterozygous g. genotype of two of the SAME alleles (AA, aa, BB, bb...) 15. Pedigree h. the study of heredity and the variations of characteristics (how people look differently)
For each genotype, indicate whether it is heterozygous (HE) or homozygous (HO) AA Bb Cc Dd Ee ff GG HH PP Pp pp Round seeds are dominant to wrinkled RR Rr rr Ii Jj kk For each of the genotypes below, determine the phenotype. Purple flowers are dominan to white flowers L1 Mm nn straight straight curly 00 Pp Brown eyes are domin BB Bb bb to blue eyes Bobtails are recessive (long tails dominant) TT Tt tt For each phenotype, list the genotypes. (Remember to use the letter of the dominant trait) Straight hair is dominant to curly. Pointed heads are dominant to round heads. pointed pointed round
3. What is the genotypic ratio of the testcross shown in Figure 4? 4. Give the phenotypic and genotypic ratio of the following testcrosses of dihybrids: Cross A Cross B P ΥY RR yy rr P YY Rr yy rr F1 F, YR Yy Rr YR Үy Rr (Y Yy rr Cross C Cross D P. Yy RR yy rr P Yy Rr yy rr F, F, (yr Y R Yy Rr Y R Yy Rr y R yy Rr Yy rr (y R yy Rr yy rr
Using the following information perform following crosses using the forked line and predict all possible phenotypes types of the offspring. List the number and description of the phenotypes of the offspring. 1. aa BB Cc Dd Ee X aa bb Cc Dd EE 2. Ff Rr Gg dd Bb X Ff RR Gg Dd Bb 3. Dd gg JJ bb Hh Ee X DD GG Jj Bb Hh Ee