The color of spaniel dogs is controlled by a couple of alleles : B (dominant) leads to black hair [B], b to a tawny color [T]. In second independent gene, the dominant S allele gives a uniform colored fur [U] and the recessive s allele to a speckled coat [S]. A pure lineage uniformly black male is mated to a tawny speckled female. Among F2 animals, a uniformly black dog is crossed with a tawny speckled bitch. The progeny gives 1/4 [BU], 1/4 [TU], 1/4 [SB], 1/4 [ST]. How is this type of cross called and what is its goal? What are the genotypes of their parents?
The color of spaniel dogs is controlled by a couple of alleles : B (dominant) leads to black hair [B], b to a tawny color [T]. In second independent gene, the dominant S allele gives a uniform colored fur [U] and the recessive s allele to a speckled coat [S]. A pure lineage uniformly black male is mated to a tawny speckled female. Among F2 animals, a uniformly black dog is crossed with a tawny speckled bitch. The progeny gives 1/4 [BU], 1/4 [TU], 1/4 [SB], 1/4 [ST]. How is this type of cross called and what is its goal? What are the genotypes of their parents?
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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![The color of spaniel dogs is controlled by a couple of alleles : B (dominant) leads to black hair [B], b
to a tawny color [T]. In second independent gene, the dominant S allele gives a uniform colored fur
[U] and the recessive s allele to a speckled coat [S]. A pure lineage uniformly black male is mated to a
tawny speckled female.
Among F2 animals, a uniformly black dog is crossed with a tawny speckled bitch. The
progeny gives 1/4 [BU], 1/4 [TU], 1/4 [SB], 1/4 [ST]. How is this type of cross called and what
is its goal? What are the genotypes of their parents?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff1cc82da-1a95-413d-800c-76a0d9bb28c9%2Fb373e34e-a65c-4274-b68b-9772d2b3a686%2Fz51h0ls_processed.png&w=3840&q=75)
Transcribed Image Text:The color of spaniel dogs is controlled by a couple of alleles : B (dominant) leads to black hair [B], b
to a tawny color [T]. In second independent gene, the dominant S allele gives a uniform colored fur
[U] and the recessive s allele to a speckled coat [S]. A pure lineage uniformly black male is mated to a
tawny speckled female.
Among F2 animals, a uniformly black dog is crossed with a tawny speckled bitch. The
progeny gives 1/4 [BU], 1/4 [TU], 1/4 [SB], 1/4 [ST]. How is this type of cross called and what
is its goal? What are the genotypes of their parents?
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