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Explore 21 free Genetics questions in OAT (Optometry) Biology. Each question opens with answer choices, the correct answer and a worked solution.
Practise Genetics with Quill →Genetics MCQs with answers
Showing questions 1–21 of 21.
The scientist regarded as the father of genetics is:Read the answer and worked solution →Scientists of his day wrongly believed inheritance worked by parental traits:Read the answer and worked solution →Mendel studied inheritance using the species Pisum sativum, better known as the garden:Read the answer and worked solution →Mating two true-breeding individuals with different traits is called:Read the answer and worked solution →In his 1865 publication Mendel reported crosses covering characteristics numbering:Read the answer and worked solution →Traits that were expressed in the F1 generation Mendel called:Read the answer and worked solution →Traits hidden in the F1 but reappearing later Mendel called:Read the answer and worked solution →An organism carrying two identical alleles at one locus is described as:Read the answer and worked solution →Crossing true-breeding yellow-seeded and green-seeded peas gives F1 plants that are all:Read the answer and worked solution →Self-crossing an F1 heterozygote is drawn using a Punnett square of size:Read the answer and worked solution →Mendel's F2 counts of 705 violet and 224 white flowers approximate a ratio of:Read the answer and worked solution →A cross with a homozygous recessive partner to reveal an unknown genotype is a:Read the answer and worked solution →The rule that paired genes separate equally into gametes is the law of:Read the answer and worked solution →The rule that genes do not influence each other's sorting into gametes is the law of independent:Read the answer and worked solution →A cross between true-breeding parents differing in two characteristics is a:Read the answer and worked solution →The F2 phenotypic ratio from a standard dihybrid cross is:Read the answer and worked solution →In pea plants round seed shape is dominant over shape that is:Read the answer and worked solution →Ignoring seed colour, the share of a dihybrid F2 generation with round seeds is:Read the answer and worked solution →A recessive disorder preventing proper metabolism of phenylalanine and tyrosine is:Read the answer and worked solution →The probability of an event found by dividing occurrences by opportunities is described as:Read the answer and worked solution →Plants used in Mendel's first-generation crosses were labelled the generation called:Read the answer and worked solution →
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