1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
AnnyKZ [126]
3 years ago
5

In cocker spaniels, solid coat color is dominant over spotted coat color. If two heterozygous solid dogs were crossed to each ot

her, what would be the probability of having a first litter of five pups, the firstborn with solid fur, and then among the next four, three with solid fur and one with spotted fur; and then a second litter of seven pups in which the firstborn is spotted and the remaining six are solid animals.
Biology
1 answer:
Lostsunrise [7]3 years ago
7 0

Answer:

Let us assume:

Spotted coat color = ss (homozygous recessive)

Solid coat color = SS  (homozygous dominant)

and, the heterozygous = Ss ,

and the gametes formed would be S and s for each parent, so the next generation would be :

Male/Female    S                                           s

S              <u><em>SS(Solid coat color pups) </em></u>         <em><u> Ss(Solid coat color pups) </u></em>

s             <u><em> Ss(Solid coat color pups)</em></u>          <u><em>  ss(Spotted coat color pups) </em></u>

<em> B</em>y this punnet square the ratio of phenotype is : 3 : 1 of solid : spotted

On this basis

i) 4 with solid fur and 1 with spotted fur out of first litter of five:

Using binomial expansion equation, where n = 5, x = 4, p = 0.75, q = 0.25. The answer is 0.396 = 39.6% of the time.

ii) A first litter of six pups, four with solid fur and two with spotted fur, and then a second litter of five pups, all with solid fur.  For the first litter, n = 6, x = 4, p = 0.75, q = 0.25; for the second litter, n = 5, x = 5, p = 0.75, q = 0.25.

Due to the litters are in a specified order, one need to use the product rule and multiply the probability of the first litter times and the second litter. The answer is 0.070, or 7.0%.

iii) The product rule has been applied and multiply the probability of the first pup (0.75) times the probability of the remaining four.

By using binomial expansion equation the probability of the remaining four, where n = 4, x = 3, p = 0.75, q = 0.25.  The probability of the first litter is 0.316.

Similarly the probability of the remaining five by binomial expansion equation, where n = 5, x = 4, p = 0.75, q = 0.25.  The probability of the second litter is 0.025.

The probability of the first litter (0.316) times the probability of second litter (0.025). The answer is 0.008, or 0.8%.

You might be interested in
Atomic number and Mass number.<br>please help me ​
Pachacha [2.7K]

Answer:

The atomic number or proton number of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus.

Explanation:

3 0
3 years ago
The process of evolution is based on _____. phenotypic inheritance genotypic inheritance
Afina-wow [57]
The process of evolution is based on the genotypic inheritance as the genes changes overtime.
5 0
3 years ago
Read 2 more answers
Which of the following statements about chromosomes is true?
SashulF [63]

Answer: different organisms have different chromosome numbers

Explanation: eukaryote cells have more than one chromosome

chromosomes are present in most cells all the time (not in erythrocytes), but cannot be visualised except during telophase of mitosis or meisosis

bacterial cells don’t have a nucleus

7 0
3 years ago
Colocar la opción correcta.
Dafna11 [192]

Answer: A y B son correctas

Explanation:

4 0
3 years ago
What is one way scientists get information about the evolutionary history of species?
Snezhnost [94]
By studying a particular species .
6 0
3 years ago
Other questions:
  • When does nondisjunction occur which affects inheritance?
    11·2 answers
  • How does the cell regulate nutrients and water
    9·1 answer
  • Which of the following human activities do not require water?
    15·2 answers
  • The boy wanted to say something other than, "Thank you, m'am," to Mrs. Luella Bates Washington Jones, but although his lips move
    8·2 answers
  • The atmosphere is 80% nitrogen: why do you think plants and animals can't use nitrogen as it is found in the atmosphere?
    10·2 answers
  • If chemical reaction A requires 270 kJ/mol of activation energy and chemical reaction B requires 180 kJ/mol of activation energy
    9·1 answer
  • WILL MARK BRAINY PLZ HURRYYYY
    12·2 answers
  • Why do you think it is important for climate scientists to study El Niño?
    9·1 answer
  • Why are peas a good model system for studying heredity?
    12·1 answer
  • HELP!! Brainliest plus 50 points
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!