Blue eyes is codominant with Green eyes. A hybrid will have Heterochromia (one green and one blue eye). What will be the genotypic and phenotypic ratios the offspring from parents with Both Heterochromia in eyes? Traits: Blue= Genotypic Ratio: Phenotypic Ratio: Green= Heterochromia = Test Cross: 18) Punnett Square 28) 29) 22) 23) 15) 16) 17) X 19) 20) 24) 26) 21) 25) 27)

Blue eyes is codominant with Green eyes. A hybrid will have Heterochromia (one green and one blue eye). What will be the genotypic and phenotypic ratios the offspring from parents with Both Heterochromia in eyes? Traits: Blue= Genotypic Ratio: Phenotypic Ratio: Green= Heterochromia = Test Cross: 18) Punnett Square 28) 29) 22) 23) 15) 16) 17) X 19) 20) 24) 26) 21) 25) 27)

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter8: Patterns Of Inheritance

Section: Chapter Questions

Problem 2ACQ: Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are...

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Dihybrid crosses which involve genes that are linked to each other usually give unexpected results (i.e., the ratio of phenotypes observed among the offspring does not correspond to 9:3:3:1) due to the fact that the genes involved do not follow: 1) the second law of thermodynamics 2) Mendel's law of independent assortment 3) Mendel's law of segregation 4) the assumption that the eggs and sperm combine randomly to produce zygotes O 5) the first law of thermodynamics
A tall pea plant (homozygous dominant) is crossed to a pea plant that is heterozygous for the gene for height. Create a Punnett Square and use it to answer the following questions: What is the genotypic ratio of the offspring? What is the phenotypic ratio of the offspring? Answers are written as genotype; phenotype a) 50% TT : 50% Tt; 100% tall plants b) 1 TT : 2 Tt : 1tt; 75% tall plants : 25% dwarf plants c) 1 TT : 2 Tt : 1tt; 25% tall plants : 50% medium height plants : 25% dwarf plants
The genes of tall vine, D, and yellow seed, G, are dominant over their respective alleles for dwarf, d, and green, g. What pheno types and genotypes are expected from each of the following crosses? Include phenotypic and genotypic ratio. a) heterozygoes tall, homozygoes yellow x homozygoes tall, heterozygoes yellow b) dwarf, heterozygoes yellow x heterozygoes tall, green c) homozygoes tall, homozygoes yellow x heterozygoes tall, green d) heterozygoes tall, heterozygoes yellow x heterozygoes tall, heterozygoes yellow
In the Mexican hairless breed of dog, the lack of hair corresponds to the H/h genotype. Normal dogs (with hair) are homozygous h/h for the recessive allele. Puppies H/H are stillborn and they display severe muzzle abnormalities and a lack of inner ear. a) Which crosses can give hairless dogs at the next generation ? b) Which one gives the highest frequency of hairless dog for a breeder (only viable animals will be taken into account)?
a) how many degree of freedom b) what is the chi square value c) what is the percentage assurance d) is your data a good fit for the ration you expected. Previous question asks in pea plants stem length is either long dominant or short recessive. 2 heterozygous long pea plants were crossed. The progeny included 402 pea plants, 308 of which were long and 94 of which were short. The ratio is 3:1
RR is homozygous red trait for flower color and rr is homozygous white trait for color. If one parent is homozygous red and another is homozygous white, complete the first and second generation crosses (cross two offsprings from the first generation to get the second generation). Which of the following represents the offsprings of the second generations? A)RR, Rr, Rr, rr B)Rr, Rr, RR, RR C)rr, rr, Rr, Rr D)rr, rr, Rr, Rr
The trait of medium-sized leaves in iris is determined by the heterozygous genotype RIr. Plants with large leaves are IRIR, whereas plants with small leaves are l'I A cross is made between two plants, each with medium-sized leaves. If they produce 80 seedlings, what would be the expected number of seedlings with small leaves? O a) 0 O b) 20 c) 40 d) 80
In the video game Animal Crossing: New Horizons, flowering breeding is based in genetics. Each flower's color is determined by the genotype at three or four unlinked genes: R, Y, W, and S. The genotype of the elusive blue rose is RR YY ww ss. In the game, one way to get a blue rose is to cross two roses with the Rr Yy Ww ss genotype. A) What types of gametes and in what proportions will a Rr Yy Ww ss rose produce? B) In a cross Rr Yy Ww ss x Rr Yy Ww ss what are the possible offspring genotypes and at what frequency will they each appear? Show your work. C) What proportion of the offspring of the cross will be blue roses?
In a hypothetical insect species, eye color may be purple or red and wings may be long or short. The table shows the results of two crosses where the parents were obtained from a mixed population that did not breed true. Cross 1 Cross 2 Parents red, long male x red, long female red, short male x purple, long female Progeny males: one-half red, long; one-half red, short females: all red, long males: one-half red, long; one-half red, short females: one-half red eyed, long; one-half red eyed, short What is the mode of inheritance for eye color in this insect? The eye-color gene is autosomal, and red is dominant to purple. The eye-color gene is X-linked, and red is dominant to purple. The eye-color gene is X-linked, and purple is dominant to red. The eye-color gene is autosomal, and purple is dominant to red. What is the mode of inheritance for wing size in this insect? The wing size gene is autosomal, and short is dominant to long. The wing size gene is X-linked, and long is dominant to…
Using the punnet square solve the following:Please work out this Di-Hybrid cross . -Mom is homozygous dominant for both traits -Dad is homozygous recessive for both traits Trait Key:S= Straights= CurlyL= Long l= Short 1st Question to answer ---- How many of the offspring come out straight & long? 2nd Question to answer ---- How many of the offspring come out curly & short?
The trait of medium-sized leaves in iris is determined by the heterozygous genotype RT. Plants with large leaves are IKIK, whereas plants with small leaves are l'I A cross is made between two plants, each with medium-sized leaves. If they produce 80 seedlings, what would be the expected number of seedlings with small leaves? O a) 0 O b) 20 Oc) 40 Od) 80
Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are dominant to green (y). What are the possible genotypes and phenotypes for a cross between PpYY and ppYy pea plants? How many squares would you need to complete a Punnett square analysis of this cross?