Genetics and punnett squares

Front

What is the physical appearance of an organism called?

Back

Phenotype

Front

Which allele pair is homozygous?

Back

BB

Front

What probability does each box in a Punnett Square represent for an offspring's genotype?

Back

25%

Front

What does PHENOTYPE refer to?

Back

The physical characteristic of the trait.

Front

Which allele pair is homozygous recessive?

Back

rr

Front

What is the genetic make-up of an organism called?

Back

Genotype

Front

What is the difference between homozygous and heterozygous?

Back

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

Front

What does a Punnett Square help predict?

Back

The probability of offspring genotypes from parental allele combinations.

Front

What is the term for an organism with two identical alleles for a trait?

Back

Homozygous

Front

What is the term for an organism with two different alleles for a trait?

Back

Heterozygous