Mendelian Genetics - Study Solutions

1. which of the following conditions represent our case of codominant genes

allele expresses itself suppressing the phenotypic effect of its alleles
gene that are similar in phenotypic effect when present separately but when together interact to produce a different trait
alleles both of which interact to produce heart rate which may or may not resemble either of the parental phenotype
alleles each of which produce an independent effect in a heterozygous condition

2. pure line breed refers to

heterozygosity only
heterozygosity and linkageheterozygosity and linkage
homozygosity only
homozygosity and self assortment

3. phenotype of an organism is the result of

mutation and linkages
cytoplasmic effects and nutrition
environmental changes and sexual dimorphism
genotype and environment interactions

4. Mendel's laws are applicable only when

genes of traits are linked
parents are pure breeding
a pair of contrasting traits depends upon other pair of contrasting traits
offsprings of F1 generation are of two types

5. when are red flowers Plant was crossed with the white flowers plant F1 generation consisted of majority of red flowers plants. genes for red colour were

recessive
linked
dominant
Assort independently

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