Genetics 24

Front

What is the term for the physical characteristics resulting from a genotype?

Back

Phenotype

Front

What is the genotype for a short pea plant if T represents tall and t represents short?

Back

tt

Front

In a Punnett square, if B represents brown fur and b represents white fur, what is the probability of getting a white fur offspring from a Bb x Bb cross?

Back

50%.

Front

What do we call a genotype where both alleles are dominant for a trait?

Back

Homozygous Dominant.

Front

What is the missing genotype in a Punnett square if the known genotypes are Rr and Yy?

Back

RrYy.

Front

What is the definition of a genotype?

Back

The genetic makeup of an organism, represented by alleles.

Front

What is the difference between homozygous and heterozygous genotypes?

Back

Homozygous has identical alleles (e.g., AA or aa), while heterozygous has different alleles (e.g., Aa).

Front

What does a Punnett square illustrate?

Back

The possible genetic combinations from a cross between two parents.

Front

What is the expected phenotypic ratio of a monohybrid cross between two heterozygous parents?

Back

3:1.

Front

What is the term for an allele that masks the effect of another allele?

Back

Dominant allele.