BIO U5: 24.7: 25Q

A _____ is a cross between two individuals that are heterozygous at two loci.

• Heterozygous cross
• Diploid cross
• Dihybrid cross
• Degenetic cross

Each parent can only pass on ____________ allele for each gene.

• two
• four
• one
• three

Which of the following genotypes is written correctly?

• EeSs
• YRyY
• DbbB
• wWJj

Use the FOIL method to identify the genotype of what parent one would be.

• RrYy

• rrYy

• RRYY

• rryy

Identify the missing genotype from the chart below.

• rryy

• RyYy

• RRYY

• YYRR

_____ is an organism's genetic makeup while _____ is an organism's physical appearance.

• Genotype, phenotype
• Genotype, allele
• Phenotype, genotype
• Dominant allele, recessive allele

TRUE OR FALSE: Dominant alleles determine an organism's appearance and are represented with capital letters.

• true
• false
• OMG IDK!

Which of the following is a dominate homozygous allele.

• AA
• aA
• Aa
• aa

Which of the following is a heterozygous allele.

• AA
• aA
• Aa
• aa

In one of Gregor Mendel's first experiments, he crossed a purple-flowered pea plant (PP) with a white-flowered pea plant (pp). What is the genotype probability that all the plants will be purple?

• 0

• 0.25

• 0.5

• 0.75

• 1