using the above set-up what is the phenotypic ratio of the offspring of this cross?

select one: a. 4: 0 b. 3: 1 c. 1: 1: 1: 1 d. 1: 2: 1 

Option B, 3 : 1

Explanation:

It is given that

H - represents the shiny object allele

h - represents the dull object allele

Also H is dominant over h

Now punnet representing the the cross between parents having genotype "Hh" is as follows -

Hh

HHHHh

hHhhh

Out of four allele, only genotype "hh" represents the phenotype of dull object.

Hence, phenotype ratio is as follows -

Shiny object : dull object

3 : 1

Hence, option B is correct

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.