Answer-
Map distance between B and S is 10 mapunit or cM
Map distance between S and H is 2 cM
S gene is present in the middle.
Explanation is given below:
Homozygous black-colored (BB), wavy-haired (HH), with short coat (SS) female minks were mated with homozygous white-colored...
Homozygous black-colored (BB), wavy-haired (HH), with short coat (SS) female minks were mated with homozygous white-colored (bb), straight-haired (hh) and with long coat (ss) males. F1 females produced from the above cross were testcrossed with the white-colored, straight-haired, long-haired males: 42 38 Black, straight, long White, wavy, short Black, straight, short Black, wavy, short White, wavy, long White, straight, long 348 356 Calculate the gene distance and construct the genetic map. (6 marks
In guinea pigs, white coat (w) is recessive to black coat (W) and wavy hair (v) is recessive to straight hair (V). A breeder crosses a guinea pig that is homozygous for white coat and wavy hair with a guinea pig that is black with straight hair. The F1 are then crossed with guinea pigs having white coats and wavy hair in a series of testcrosses. The following progeny are produced from these testcrosses: (Hint: To test for independent assortment,...
In dogs, short hair is dominant over long hair, and dark coat color is dominant over albino fur. Assuming that these effects are caused by two independently sorting genes, what will be the result of the following cross? Create a Punnet square and show your work. 2. In tomatoes, the gene for round fruit is dominant to the gene for long fruit. A homozygous round fruit plant was crossed with a long fruit plant. Show the genotype of the two...
a female black mackerel stripe tabby with no white spots mated. with a male orange tabby cat. Among the non-orange kittens from this mating, half show a tabby pattern and half are solid black WHAT MUST the two parents agouti genotypes be? Also, what is the probability of a newborn kitten being an orange male (like the father) Gene Phenotype Allele Designation Pattern of Inheritance Agouti Black Orange Xoxo or Xooy Xoxo XoXº or Xo+Y TT Tabby T'T Tube Tito...
is In guinea pigs, black coat color (B) is dominant to white (b), and rough color (R) dominant to smooth (o). What following crosses a) BBRR x bbrr b) BBrr x bbRR c) Bbrr x bbRr d) BBRr x BbRr e) BbRr x BbRr 2)The presence of one of the Rh antigens on the surface of the red blood cells (Rh+) in humans is produced by a dominant gene R. Th negative cells are produced by the recessive genotype rr....
Question 1 (10 pts). Ilne genetic linkage among 3 gene loci in norses is being stuaiea. ine loci are part of autosomal chromosomes and they MIGHT be on the same pair of homologous chromosomes. There are two alleles at each locus. At the coat color locus, allele B is for black, and b is for white. At the height locus, allele H is for tall, and h is for short. At the tail locus, allele T is for long, and...
6. In tigers, a dominant allele (W) is responsible for the expression of the normal orange pigment. Individuals that inherit twe recessive alleles (w) lack the normal orange pigment in their fur, appearing white with black stripes. A pair of normally colored parewis produces a cub that is white with black stripes and scab that is orange with black stripes. What are the possible genotypes of the cube? b. What are the possible genotypes of the parents? 6. Explain your...
answeres are provided. please explain how to do them. :) A small number of type O individuals have the Bombay blood phenotype. Individuals with the Bombay blood phenotype always appear to have type O blood because they are homozygous recessive for the gene, H, which is epistatic to gene I. As long as at least one dominant H alele is present, the ABO blood type associated with the person's ABO genotype will be expressed. Individuals who are homozygous hh always...
Match the following terms with the appropriate description below: a. alleles b. autosomes c. dominant allele d. genotype e. heterozygous f. homozygote g. phenotype h. recessive allele i. sex chromosomes 1. ________________ genetic make-up 2. ________________ how genetic make-up is expressed 3. ________________ chromosomes that dictate most body characteristics 4. ________________ alternative forms of the same gene 5. ___________an individual bearing two alleles that are the same for a particular trait 6. ________________ an allele that is expressed, whether in...
2. A dominant allele H reduces the number of body bristles that Drosophila flies have, giving rise to a “hairless” phenotype. In the homozygous condition, H is lethal. An independently assorting dominant allele S has no effect on bristle number except in the presence of H, in which case a single dose of S suppresses the hairless phenotype, thus restoring the "hairy" phenotype. However, S also is lethal in the homozygous (S/S) condition. What ratio of hairy to hairless flies...