What does a Punnett square show?

In a Punnett square, capital letters usually represent:

In a Punnett square, the letters outside the boxes represent:

If a parent’s genotype is Aa, what does “A” stand for?

If T = tall and t = short, what is the probability of a tall plant from Tt × Tt?

The physical appearance of an organism is called its:

In a cross between Aa × Aa, how many offspring genotypes are possible?

A recessive trait will only show up if the organism has:

Cross: Bb × bb (B = black fur, b = white fur). What percent of offspring will have white fur?

Cross: AA × Aa. How many offspring genotypes are possible?

Cross: Yy × Yy (Y = yellow, y = green). What is the phenotypic ratio?

In a dihybrid cross, how many traits are studied at the same time?

If two heterozygous plants (RrYy × RrYy) are crossed, what is the expected phenotypic ratio?

What does genotype mean?

What is an allele?