In a matting between two individuals wha are heterozygous for a trait, what is the probability the offspring will express the trait recessive? What percent?

1/4 or 25% chance of expressing recessive genes

Explanation:

Punnett Square ( Dominant B, recessive b)

~ B | b

B | BB | Bb

b | Bb | bb

1/4 or 25% chance of hom0zygous dominant (hom0zygous dominant)

1/2 or 75% chance of expressing dominant gene (heterozygous with recessive gene hidden)

1/4 or 25% chance of expressive recessive gene (hom0zygous recessive)

q: compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city,

a:

comparing this to the inside of a food building/company.

all cells are surrounded by a plasma membrane, which protects the cell from its environment, keeping toxic substances out of the cell. it regulates which molecules are allowed to enter and exit the cell.

regulates all cell activity such as cellular metabolism, and growth in addition to storing and maintaining the cell's dna for transcription and replication. determines what proteins to make.

contains the organelles; site of most cell activity

the place where ribosomes do their working activity.

builds the proteins.

prepares proteins for use or export.

responsible for breaking down and absorbing materials taken in by the cell.

maintains cell shape.

transforms one form of energy into another.

the answer is d. chordata