Top Posters
Since Sunday
10
6
m
6
t
5
a
5
m
5
J
5
d
5
t
5
r
5
j
5
a
5
New Topic  
Anonymous sara5656
wrote...
A week ago
1) There is a lack of dominance in black and white horse coat colours. An offspring produced from a black horse and a white horse has a blue-roan coat colour. When the blue-roan coat is closely examined, both black and white hair can be found.

A black horse mated with a blue roan horse. Which of the following alternatives correctly identifies the phenotypic ratio of the offspring?

a. 1 BB : 1 BW

b. 1 white : 1 black

c. 1 WW : 1 BB

d. 1 black : 1 blue roan



2) There is a lack of dominance in four o’clock plant flowers. When a red flower is crossed with a white flower, a pink flower is produced.

A white four o’clock flower was crossed with a pink four o’clock flower. What is the likelihood of getting red flowers from this cross?

a. 25%

b. 50%

c. 100%

d. 0%




3) Andalusian chickens have black, blue, and white plumage. They display incomplete dominance in feather colour. The blue birds are heterozygous.

When a black Andalusian hen mates with a white Andalusian rooster, what percentage of the offspring are expected to be blue Andalusians?

a. 50%

b. 100%

c. 0%

d. 25%





4) The roan coat colour in shorthorn cattle is the result of codominance of the coat colour alleles. A roan shorthorn mated with a white shorthorn.

What is the probability that the offspring will be white shorthorn?


ANSWER
Record the answer as a value between 0 and 1, with two significant digits.




5) SEE IMAGE ATTACHED


6) A test cross was performed to determine the genotype of an agouti rabbit. Out of 32 offspring, 14 were Himalayan rabbits. What is the genotype of the agouti rabbit?

a. Cc^h

b. Cc^ch

c. Cc

d. CC




7) Use the following information to answer the next two questions.

Blood Types of Some Parents

       Parents                   Father                   Mother
              1                             A                              B

              2                           AB                            O

              3                            O                             B

              4                            B                            AB

              5                             O                             A

Which of the parents listed above could have children with blood type O and/or blood type AB?

a. Parents 1

b. Parents 5

c. Parents 4

d. Parents 3

e. Parents 2




8) What are the possible blood types of the children of parents 4?

a. AB and B

b. AB and A

c. AB, A, and B

d. AB, A, B, and O



9) Gina has blood type O. Her mother’s blood type is A. What are the possible genotypes of her father? Select Yes or No for all blank  answers.

AB          Answer
 

A            Answer
 

B           Answer
 

O           Answer




10) Shalimar has blood type A, and her sister’s blood type is B. If they have another sister, which of the following could be her blood type? Select Yes or No for all blank boxes.

AB          Answer
 

A           Answer
 

B           Answer
 

O            Answer



11) SEE PHOTO ATTACHED PLEASE



12) Sarah and George have been married for 6 years. They had a daughter 5 years ago and her blood type is AB. Sarah had complications during her birth and was transfused with three pints of type A blood. The couple recently welcomed a new baby boy to their family.

He has the blood type O. What are Sarah and George’s genotypes?

a. Sarah's Genotype                 George's Genotype
           I^A I^A                                              ii

b. Sarah's Genotype               George's Genotype
            I^A I^A                                      I^B i

c. Sarah's Genotype               George's Genotype
               I^A i                                         I^B I^B

d. Sarah's Genotype                George's Genotype
               I^A i                                           I^B i


13)
SEE IMAGE TO ANSWER PLEASE

SEE THIRD AND FOURTH THEY ARE PART OF THE SAME QUESTION


 


Attached file(s)
Thumbnail(s):
You must login or register to gain access to these attachments.
Read 39 times
2 Replies
Replies
Answer verified by a subject expert
Anonymousbio_man
wrote...
A week ago
Sign in or Sign up in seconds to unlock everything for free
#1

1 black : 1 blue roan

#2

0%

#3

100%

#4



#5



#6



Cch

#7

Parents 1

Parents are A and B blood type

Ai x Bi= AB, Ai, Bi, ii (all 4 type of blood types are possible)

#8

AB, A and B

Bi x AB= AB, Ai, BB, Bi

#9

AB- no

A=yes

B=Yes

O=Yes

Ai x [Ai, Bi, ii]

= ii (Gina)

#10

AB- yes

A=yes

B=Yes

O=Yes
1
Anonymous Author
wrote...
A week ago
Thanks
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  262 People Browsing
 826 Signed Up Today
Related Images
  
 4199
  
 3200
  
 1
Your Opinion