A mating between Abyssinian and blotched tabbies yielded a black kitten and several Abyssinians. What were the most likely genotypes of the parents? Show two alleles of the A and T genes for both parents and state which parent is which.
A mating between Abyssinian and blotched tabbies yielded a black kitten and several Abyssinians. What were the most likely genotypes of the parents? Show two alleles of the A and T genes for both parents and state which parent is which.
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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Transcribed Image Text:A mating between Abyssinian and blotched tabbies yielded a black kitten and
several Abyssinians. What were the most likely genotypes of the parents? Show
two alleles of the and T genes for both parents and state which parent is
which.
![BLOTCHED
C
ABYSSINIAN
a is [Select]
a is ✓ [Select ]
dominant
epistatic
recessive
complementary
to aw
awa or awaw
agouti
Agouti cats (awa or awaw - we will not consider here the other alleles discussed in
Video 3.1) can have various tabby striping/spotting patterns depending on their
alleles of the T gene. Agouti cats (awa or awaw ) with the genotype TªTª or Tªt are
Abyssinians, and those with the genotype tt are blotched. However, these
striping/spotting patterns are not observed in non-agouti cats of aa genotype,
which are black regardless of their T alleles. This information is also presented
above in schematic form, and is background information for the next question as
well as this one.
Choose the correct allelic relationships based on this information:
to t
aa
black
TaTa or Tat
Abyssinian
tt
blotched](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffae4804d-998d-4966-bf0a-5868a8bf6639%2F5168c579-623b-4c7d-86b8-c1ce3bf3f853%2F668dqbd_processed.png&w=3840&q=75)
Transcribed Image Text:BLOTCHED
C
ABYSSINIAN
a is [Select]
a is ✓ [Select ]
dominant
epistatic
recessive
complementary
to aw
awa or awaw
agouti
Agouti cats (awa or awaw - we will not consider here the other alleles discussed in
Video 3.1) can have various tabby striping/spotting patterns depending on their
alleles of the T gene. Agouti cats (awa or awaw ) with the genotype TªTª or Tªt are
Abyssinians, and those with the genotype tt are blotched. However, these
striping/spotting patterns are not observed in non-agouti cats of aa genotype,
which are black regardless of their T alleles. This information is also presented
above in schematic form, and is background information for the next question as
well as this one.
Choose the correct allelic relationships based on this information:
to t
aa
black
TaTa or Tat
Abyssinian
tt
blotched
Expert Solution

Step 1: Understanding the Allelic Relationships
In this scenario, we have two genes, A (Agouti) and T (Tabby), that determine coat color and pattern in cats.
- A Gene (Agouti):
- Genotype aa or awa results in non-agouti cats, which are black regardless of their T alleles.
- T Gene (Tabby):
- Genotypes TT or T't result in Abyssinian cats.
- Genotype tt results in blotched tabby cats.
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