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WorksheetsBio 204 Mendelian Genetics Practice
Total questions: 8
Worksheet time: 7mins
List all of the haploid genotypes that could be produced through meiosis from this diploid genotype: AaBb
Aa and Bb
AB and ab
Aa, Bb, AB, and ab
AB, Ab, aB, and ab
From the following cross, what is the expected proportion of offspring with a heterozygous genotype: Bb x BB?
1/4
1
1/2
1/8
If an organism is heterozygous for a Mendelian trait, then its phenotype will be
the same as the homozygous dominant phenotype
a phenotype unique to the heterozygous genotype
the same as the homozygous recessive phenotype
a blend of the homozygous recessive and homozygous dominant phenotypes
Alleles for genes ____ when forming haploid cells, such as gametes.
combine
segregate
duplicate many times
disappear
Which Principle explains why these pea genotypes and associated phenotypes are possible from this cross?
Principle of segregation
Principle of mitosis
Principle of meiosis
Principle of independent assortment
Below are two pairs of homologous chromosomes in metaphase 1 of meiosis. Please represent the following genotype on these chromosomes: RrGg
You are crossing two individuals with the following genotypes: Aa x AA.
1. Show the haploid gametes of both parents on the outside of the Punnett Square
2. On the inside boxes, show the possible genotypes of the offspring.
You are crossing two pea plants with the following genotypes: AaBb x AaBB. What is the probability of getting an offspring with the genotype AAbb?
1/2
1/16
1/32
1/8
