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Genetics & Heredity

Community · Hard · 20–30 min

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A hard review of high school genetics: Mendelian and non-Mendelian inheritance, meiosis, molecular genetics, Punnett squares, and pedigrees. Built for Grades 9-11. 25 ready-to-play clues, no prep needed. This is a Grades 9–11 Science review game in a Jeopardy-style format: a teacher puts the board on one screen, teams pick clues by point value, and the class answers out loud — no student devices or accounts needed. Categories: Mendelian Laws, Non-Mendelian Traits, Chromosomal Basis, Molecular Genetics, Punnett & Pedigrees.

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Questions in this game

A peek at what's on the board — 5 categories and one sample clue from each. Answers stay hidden until you open them, so the game still works.

  • Mendelian Laws

    What different forms of a gene are called?

    Show answer

    Alleles

    +4 more clues in this category

  • Non-Mendelian Traits

    When a heterozygote shows an intermediate phenotype, what pattern is this?

    Show answer

    Incomplete dominance

    +4 more clues in this category

  • Chromosomal Basis

    What threadlike structures carry genes in the nucleus?

    Show answer

    Chromosomes

    +4 more clues in this category

  • Molecular Genetics

    What are the building blocks of DNA called?

    Show answer

    Nucleotides

    +4 more clues in this category

  • Punnett & Pedigrees

    What chart predicts offspring genotypes from parental alleles?

    Show answer

    Punnett square

    +4 more clues in this category

Board content

Mendelian Laws

$100 — What different forms of a gene are called?
Alleles
$200 — Which genotype contains two identical alleles?
Homozygous
$300 — Which law states allele pairs separate during gamete formation?
Law of Segregation
$400 — Which law explains that allele pairs for different genes assort independently?
Law of Independent Assortment
$500 — In a monohybrid cross of two heterozygotes, what phenotypic ratio results?
3:1

Non-Mendelian Traits

$100 — When a heterozygote shows an intermediate phenotype, what pattern is this?
Incomplete dominance
$200 — When both alleles are fully expressed in a heterozygote, what is this called?
Codominance
$300 — ABO blood type inheritance is an example of what allele system?
Multiple alleles
$400 — A gene whose expression masks another gene's effect shows what interaction?
Epistasis
$500 — Traits encoded on the X chromosome are described by what term?
X-linked

Chromosomal Basis

$100 — What threadlike structures carry genes in the nucleus?
Chromosomes
$200 — What process during meiosis I increases genetic variation by exchanging DNA?
Crossing over
$300 — What position on a chromosome is a gene’s specific location?
Locus
$400 — Genes that are close together on the same chromosome are described how?
Linked
$500 — Failure of chromosomes to separate properly during meiosis is called what?
Nondisjunction

Molecular Genetics

$100 — What are the building blocks of DNA called?
Nucleotides
$200 — Which base pairs with adenine in DNA?
Thymine
$300 — Which enzyme synthesizes RNA from a DNA template?
RNA polymerase
$400 — What three-letter sequence on mRNA specifies an amino acid?
Codon
$500 — What is the flow of genetic information summarized by 'DNA → RNA → protein' called?
Central dogma

Punnett & Pedigrees

$100 — What chart predicts offspring genotypes from parental alleles?
Punnett square
$200 — A cross between an unknown genotype and a homozygous recessive is called what?
Test cross
$300 — In a dihybrid cross of two heterozygotes, what phenotypic ratio is expected?
9:3:3:1
$400 — In a pedigree, what does a half-shaded circle typically represent?
Carrier female
$500 — Who cannot be a carrier for an X-linked recessive trait?
Males

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