bb = red eyes 1. What are the phenotypes (descriptions) of rabbits that have the following genotypes: Ggbb ggBB GgBb ggbb gB gB gb gb Genetic Crosses that Involve 2 Traits 2. A male rabbit with the genotype GGbb is crossed with a female rabbit with the genotype ggBb The square is set up below. Fill it out and determine the phenotypes and proportions in the offspring. Gb Gb Gb Gb In rabbits, Grey hair is dominant to white hair. Also in rabbits, black eyes are dominant to red eyes. GG = grey hair BB = black eyes Gg = grey hair Bb = black eyes gg white hair Gb GB gB gb 3. A male rabbit with the genotype GgBb is crossed with a female rabbit with the genotype GgBb The square is set up below. Fill it out and determine the phenotypes and proportions in the offspring. How many out of 16 are: Grey, red eyed Grey, black eyed White, red eyed White, black eyed Gb GB gB gb How many out of 16 are: Grey, red eyed Grey, black eyed White, red eyed White, black eyed

bb = red eyes 1. What are the phenotypes (descriptions) of rabbits that have the following genotypes: Ggbb ggBB GgBb ggbb gB gB gb gb Genetic Crosses that Involve 2 Traits 2. A male rabbit with the genotype GGbb is crossed with a female rabbit with the genotype ggBb The square is set up below. Fill it out and determine the phenotypes and proportions in the offspring. Gb Gb Gb Gb In rabbits, Grey hair is dominant to white hair. Also in rabbits, black eyes are dominant to red eyes. GG = grey hair BB = black eyes Gg = grey hair Bb = black eyes gg white hair Gb GB gB gb 3. A male rabbit with the genotype GgBb is crossed with a female rabbit with the genotype GgBb The square is set up below. Fill it out and determine the phenotypes and proportions in the offspring. How many out of 16 are: Grey, red eyed Grey, black eyed White, red eyed White, black eyed Gb GB gB gb How many out of 16 are: Grey, red eyed Grey, black eyed White, red eyed White, black eyed

Name: Dihydrid Cross In rabbits, Grey hair is dominant to white hair. Also i
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Description: Dihydrid Cross In rabbits, Grey hair is dominant to white hair. Also in rabbits, black eyes are dominant to red eyes.GG = grey hairBB black eyesBb= black eyesGg = grey hairgg = white hair1. What are the phenotypes (descriptions) of rabbits that have

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter11: The Basic Principles Of Heredity

Section: Chapter Questions

Problem 11TYU: Individuals of genotype AaBb were mated to individuals of genotype aabb. One thousand offspring were...

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Individuals of genotype AaBb were mated to individuals of genotype aabb. One thousand offspring were counted, with the following results: 474 Aabb, 480 aaBb, 20 AaBb, and 26 aabb. What type of cross is it? Are these loci linked? What are the two parental classes and the two recombinant classes of offspring? What is the percentage of recombination between these two loci? How many map units apart are they?
In rabbits, an allelic series helps determine coat color. The alleles, in order of dominance, are listed below. C=full coat color Cch-chinchilla Ch-himalayan c=white What is the predicted outcome for a CCh rabbit crossed with a Cchc rabbit? Draw out the cross and show the predicted genotypes and phenotypes for the offspring.
A male dog with the genotype GgBb is crossed with a female dog with the genotype GgBb. Set up a punnet square Note: Gray hair (GG) is dominant over white hair (gg); Black eyes (BB) is dominant over red eyes (bb). (a) How many out of 16 have gray fur and black eyes? (b) How many out of 16 have gray fur and red eyes? (c) How many out of 16 have white fur and black eyes? (d) How many out of 16 have white fur and eyes red? Write the phenotypic ratio.
In mice, the presence of AA alleles give rise to the agouti fur color, AAY gives rise to a yellow fur color, and AYAY is lethal, causing mice to die before birth. The B allele results in pigment formation and is dominant over the b allele. The bb genotype results in no pigment formation and gives an albino fur color irrespectively of the presence of the AA or AAY alleles. In the following cross between a yellow and agouti mice, what would be the expected proportion of agouti fur mice among the live offspring? AAY Bb X AA Bb 1/2 1/4 3/8 1/3 3/4
) In mice, black coat color (B) is dominant over brown (b), and a solid pattern (S) is dominant to white spotted (s). Color and spotting are controlled by genes that assort independently. A homozygous black spotted mouse is crossed with a homozygous brown solid mouse. All of the F1 mice are black and solid. Give the genotypes of the parents and their F1 offspring. Parents- BBss bbSs Offspring- BbSs In biology class one day you see a black solid mouse run across your desk. You and your classmates manage to trap the mouse and decide to attempt to discover it’s genotype. In order to do this you perform a testcross with a laboratory mouse. b) What are the phenotype and genotype of the laboratory mouse that you will use for this testcross? c) What are ALL of the possible genotypes of the mouse from the classroom? d) You perform the testcross and find that ½ of the offspring from the testcross are black and solid and ½ are black and spotted. What is the genotype of…
Short hair (S) in rabbits is dominant over long hair (s). The following crosses are carried out, producing the progeny shown. Give all possible genotypes of the parents in each cross.
In mice, the allele C for colored fur is dominant over the allele c for white fur, and the allele V for normal behavior is dominant over the allele v for waltzing behavior, a form of discoordination. Give the genotypes of the parents in each of the following crosses: (a) Colored, normal mice mated with white, normal mice produced 29 colored, normal and 10 colored, waltzing progeny. (b) Colored, normal mice mated with colored, normal mice produced 38 colored, normal, 15 colored, waltzing, 11 white, normal, and 4 white, waltzing progeny. (c) Colored, normal mice mated with white, waltzing mice produced 8 colored, normal, 7 colored, waltzing, 9 white, normal, and 6 white, waltzing progeny.
Miniature wings (Xm) in Drosophila result from an X-linked allele that is recessive to the allele for long wings (X*). Give the genotypes of the parents in the following cross: Male parent Female parent Male offspring Female offspring Long Miniature 750 miniature 761 long O male: X* / X* and female X™ /x+ O male: X*/Xt and female Xm /xm O male: X*/ Y and female Xm /xm O male: Xm/ Y and female Xm /xm
Black coat Brown coat A heterozygous dog with a black coat (C¹C2) is crossed with a heterozygous dog with a yellow coat (C³C2). Determine the phenotypic ratio of offspring produced Yellow coat In a particular breed of dog, the following genotypes and their respective phenotypes are known: Record your 3 digits answer accordingly: • C'C- black coat • C'C²= black coat • C²C²-brown coat • C'C'=yellow coat • C'C²=yellow coat • C'C'=yellow coat
Cross 1 AaBb x AaBb Cross 2 AaBbCc x AaBbCc a) Please use a branching diagram to find the genotypic ratios of the offspring of cross 1 illustrated above and complete with the resulting genotypes and ratios. How many different genotypes are there in the offspring of this cross? [ ] Genotype ratios for the offspring of Cross 1 (please indicate both the ratio and the genotype for each one: e.g.: 3AABB:1aabb, etc): [ ] b) Please use a branching diagram to find the phenotypic ratios of the offspring of cross 2 and complete below the resulting phenotypes and ratios. How many different phenotypes are in the offspring of this cross [ ] Phenotype ratios for the offspring of Cross 2 (please indicate both the ratio and the phenotype for each one using D and R for dominant and recessive phenotypes respectively, for example 1DDD:2DRR, etc.): [ ] c) What mathematical operation are you using to calculate the ratios for multiple genes and what…
In humans, four different blood types (A, B, AB, and O) are encoded by three alleles 1, 1, and i Individuals with both I and I alleles have blood type AB (red blood cells with both A and B antigens). Two copies of the i allele are required for an individual to have blood type O (red blood cells with no antigens). Which of the following correctly indicates the relationship between the I and / alleles for the blood type gene? Select one: OA. I is dominant to / OB. I is recessive to i OC. I and I are co-dominant OD. I and/exemplify incomplete dominance
A wild-type male and a wild-type female Drosophila with red eyes and full wings are crossed. Their progeny are shown below: Males Females 3/8 Full wing, Red eye ¾ Full wing, Red eye 3/8 Miniature wing, Red eye ¼ Full wing, Purple eye 1/8 Full wing, Purple eye 1/8 Miniature wing, Purple eye 1. What is/are the genotype(s) of females with purple eye? Of males with purple eye and miniature wing? Draw both out with appropriate symbols