Monohybrid and Dihybrid Practice Flashcard

Front

In guinea pigs, the allele for short hair is dominant over the allele for long hair.
B = short 
b = long
What would the cross be for two heterozygous guinea pigs?

Back

Bb X Bb

Front

Genotype ratio for the cross Nn X NN?

Back

NN = 50%, Nn = 50%, nn = 0%

Front

Expected phenotype percentages for offspring of a heterozygous hairy tomato plant and a hairless plant?

Back

50% hairy, 50% hairless

Front

What goes in box 1? Options: AABb, AABB, aabb, AaBb

Back

AABb

Front

Cross two homozygous plants (RRYY x rryy). R = round seeds, r = wrinkled seeds. Y = yellow seeds, y = green seeds. What percent will have round and yellow seeds?

Back

100%

Front

Which of the following genotypes is heterozygous? Options: Bb, BB, bb, B

Back

Bb

Front

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

Back

AA

Front

Which of the following is homozygous dominant? Options: Yy, Y, yy, YY

Back

YY

Front

Which of the following is homozygous recessive? Options: Tt, tt, TT, T

Back

tt

Front

What is the genotype for a pea plant heterozygous for round seeds (R), and homozygous recessive for green seeds (y)?

Back

Rryy