In some situations, when two purple-flowered pea plants reproduce, the offspring can have purple or white flowers. when this experiment is run repeatedly, it is discovered that three-fourths of the offspring have purple flowers and one-fourth of the offspring have white flowers.

what would happen if this experiment were run only once?

the experiment would give the same results. the conclusion would not be changed from the original experiment.

the experiment would give a single white-flowered plant. the conclusion would be that tall plants always produce white-flowered plants.

the experiment would give a single purple-flowered plant. the conclusion would be that tall plants always produce purple-flowered plants.

the experiment would result in a plant with either purple or white flowers. the conclusion would depend on this single result and would not be accurate.

The experiment would give the same results. The conclusion would not be changed from the original experiment.

Explanation:

The alleles for the purple colour flower in Mendelian pea plant is Pp

This means this is a heterozygous dominant in nature.

Pp and Pp are the heterozygous plants with purple colour to be crossed.

  Punnett square, F1 generation

     P     p

P   PP  Pp

p    Pp   pp

3 purple one white

ie 3/4 th purple and 1/4 white flower

Phenotypic ratio 3:1

genotype ratio  1:2:1

The phenotype ratio shows only one white flower in the first generation.

water is a polar molecule. a chemical bond is a force of attraction between atoms or ions. bonds form when atoms share or transfer valence electrons. atoms form chemical bonds to achieve a full outer energy level, which is the most stable arrangement of electrons. so, false

explanation:

in h2o molecule, two water molecules are bonded by a hydrogen bond but the bond between two h - o bonds within a water molecule are covalent. the greater the electronegativity difference, the more ionic the bond is. bonds that are partly ionic are called polar covalent bonds. nonpolar covalent bonds, with equal sharing of the bond electrons, arise when the electronegativities of the two atoms are equal.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.