The percentage of the offspring that will have atatched earlobes as the dominant trait, is: 50%.
What is a Dominant Trait?
A dominant trait surpresses a recessive trait, and expresses itself. The allele of a dominant trait is usally denoted using capital letters.
Given the following traits:
A - attached earlobes (dominant allele)
a - unattached earlobes (recessive allele)
A cross between Aa and aa is shown in the image attached below.
The offspring having attached earlobes = 2 Aa = 50%.
50% of the osspring will have attached earlobes.
Learn more about dominant trait on:
brainly.com/question/16616523
25yd=75 . sorry mane had to get these points up you know
The given question can be solve using quadratic formula.
The correct option is (c) 
.
Given:
The given equation is,
---------------------------(1)
Write the general quadratic equation.
Write the quadratic formula.
------------------------------- (2)
Compare equation (1) and (2).
Substitute the value of 
, 
and 
in general quadratic.
Subtract 
from each side of above equation.
Thus, the correct option is (c) .
Learn more about quadratic equation here:
brainly.com/question/17177510
Answer:
Step-by-step explanation:
we have
Find the inverse function 
step 1
Let
y=f(x)
step 2
Exchanges variables, x for y and y for x
step 3
isolate the variable y
step 4
Let
