Basic Genetics-Punnett Squares

Front

Possible genotypes for this cross?

Back

TT = 25% Tt= 50% tt=25%

Front

Which of the following genotypes is homozygous dominant? Options: A, Aa, AA, aa

Back

AA

Front

If brown eyes are dominant over blue eyes, what would be the parent genotypes if two heterozygous brown eyed persons were crossed?

Back

Bb and Bb

Front

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

Back

Codominance

Front

A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (RW) flowers?

Back

100%

Front

This type of inheritance pattern shows BOTH traits in possible offspring: complete dominance, incomplete dominance, codominance, dominant pattern.

Back

codominance

Front

A green pea plant (Gg) is crossed with a yellow pea plant (gg). Describe the genotype of the offspring. (Be sure to remember that the capital letter is dominant).

Back

50% heterozygous and 50% homozygous recessive

Front

Genotype of offspring from a cross between two white flowers (rr x rr).

Back

100% homozygous recessive

Front

Which of the following is homozygous recessive? Options: rr, AA, TT, Ff

Back

rr

Front

Which of the following is homozygous dominant? Options: Jj, Rr, MM, ee

Back

MM