Welcome to Jeopardy! Today’s Topic: Genetics

Welcome to Jeopardy!Today’s Topic:Genetics With your Favorite Host… Ms. Ings

If a boy is colorblind, he inherited it from… • A) His mother • B) His father • C) Both his mother and father • D) Unable to determine

Your phenotype is based on • A) Your DNA • B) Your Genotype • C) Your Environment • D) Both DNA and Environment

If you crossed two heterozygous individuals, their offspring would have • A) 0% Homozygous recessive • B) 25% Heterozygous • C) 75% Dominant Phenotype • D) 50% Recessive Phenotype

Independent assortment and crossing over increase • A) The number of offspring • B) Genetic Linkage • C) Sex-linked traits • D) Genetic Diversity

Genes located on the X or Y chromosomes are referred to as • A) Alleles • B) Recessive • C) Sex-linked • D) Autosomal

A Red flower is crossed with a white flower, the offspring are pink, this is an example of • A) Co-Dominance • B) Incomplete Dominance • C) Sex-linked • D) Multiple Genes

Using this pedigree, individuals with the arrows are • A) Heterozygous • B) Homozygous Dominant • C) Homozygous Recessive • D) Genotype unknown

For a female to have hemophilia, she must have • A) a Y chromosome • B) an inactivated allele • C) two recessive alleles • D) two dominant alleles

Roan cows are an example of • A) Co-Dominance • B) Incomplete Dominance • C) Sex-linked • D) Multiple Genes

Most human traits are … • A) Dominant • B) Recessive • C) Either Dominant or Recessive • D) Complex and still not fully understood

Number 2 is • A) Homozygous dominant • B) Heterozygous • C) Sex-linked • D) Homozygous Recessive E E e E 1 2 3 4

Two parents have the genotype Gg for a dominant genetic disorder. What are the chances their offspring will have the disorder? • A) 25% • B) 50% • C) 75% • D) 100%

An individual who is heterozygous for a ______ disorder is called a carrier. • A) Allele • B) Albinism • C) Recessive • D) Dominant

Seed color and pod size are examples of • A) Genotypes • B) Phenotypes • C) Heterozygous • D) Heredity

The alleles from your mother and father separating into different gametes is seen in • A) Law of Dominance • B) Co-Dominance • C) Law of Independent Assortment • D) Law of Segregation

The ______ can only result in one _____. • A) Trait, Allele • B) Genotype, phenotype • C) Phenotype, Allele • D) Phenotype, Genotype

Both parents have widow’s peak. Their children should have… • A) All Widow’s peak • B) No Widow’s peak • C) Half widow’s peak and half no widow’s peak • D) Not enough information

F2:F1 :: F1:___ • A) F2 • B) P2 • C) P • D) F1

This diagram demonstrates • A) Test Cross • B) Pedigree • C) Dihybrid Cross • D) Karyotype

II4 is what relation to III3? • A) Aunt • B) Father • C) Uncle • D) Nephew

For two heterozygous individuals the phenotype ratio is _____ and the genotype ratio is _____. • A) 3:1, 1:2:1 • B) 1:2:1, 2:2 • C) 1:1, 3:1 • D) 3:1, 2:2

If a family has 4 girls, what are the chances of their next child being a boy? • A) 0% • B) 25% • C) 50% • D) 100%

Mendel’s discoveries came from his… • A) Careful microscopic evaluation of chromosomes and genes • B) Dissections on how fertilization occurs in pea plants • C) Breeding experiments with many generations of fruit flies • D) Analysis of offspring from several crosses of pea plants

Alternate forms of a gene are called _______. • A) Traits • B) Alleles • C) Chromosomes • D) Heredity

Which of the following has a heterozygous genotype? • A) RR • B) rr • C) Rr • D) Rg

Color blindness is recessive and sex linked. On average there are more color blind males because • A. Women need two alleles to be colorblind • B. Men require two alleles to be colorblind • C. Women have two X chromosomes and it is inherited on the Y chromosome • D. Men are more likely due to chance

A man with hemophilia marries a woman that is a carrier. What percent of their sons will have it? • A) 0% • B) 25% • C) 50% • D) 100%

Two roan cows are crossed. What are the phenotype ratio of the offspring? • A) 3:1 • B) 75%:25% • C) 50% : 50% • D) 1:2:1

BbRr x BbRr are crossed. What are the phenotype ratio of the offspring? • A) 3:1 • B) 1:2:1 • C) 1:1:1:1 • D) 9:3:3:1

What is the pattern of inheritance for this pedigree? • A) Dominant • B) Recessive • C) Sex Linked • D) Cannot Determine

Parents, one heterozygous for two traits and the other homozygous recessive for two traits, produce_______ offspring that are homozygous dominant for both traits • A) 100% • B) 75% • C) 25% • D) 0%

A pedigree cannot be used to • A) Determine whether a trait is inherited • B) Show how a trait is passed from one generation to next • C) Determine whether a trait is dominant or recessive • D) None of the above

If a girl is colorblind, … • A) Her mother must be colorblind • B) Her father cannot be colorblind • C) Her mother cannot be colorblind • D) Her father is colorblind

Straight hair is recessive and curly hair is dominant. In co-dominance, the heterozygous condition would be • A) Curly • B) Straight • C) Wavy • D) Some straight hairs, some wavy hairs

Which of the following is a dominant trait? • A) Ability to taste PTC • B) Hitchhikers thumb • C) Cystic Fibrosis • D) Albinism

In a pedigree, a circle represents a … • A) Child • B) Parent • C) Male • D) Female

When an organism has a heterozygous genotype, the dominant trait is seen. This can be explained by … • A) Law of Dominance • B) Law of Segregation • C) Law of Independent Assortment • D) Law of Combination of Traits

A person has a widow’s peak. All of the following EXCEPT ____ can be the genotype. • A) WW • B) Ww • C) W_ • D) ww

Mendel crossed the P generation and produced the ___ generation. • A) P • B) F1 • C) F2 • D) P2

Welcome to Jeopardy! Today’s Topic: Genetics