PEDIGREES | Baamboozle - Baamboozle | The Most Fun Classroom Games!

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What is the genotype for II-3

Aa

What does a SQUARE represent on a pedigree?

Males

How many people are AFFECTED by the trait in this pedigree?

3

What is the genotype for II-4?

Aa

What is the relationship between the people connected by RED LINES?

Marriage or Reproduction

What are the 3 patterns of inheritance mentioned in the video?

1) Autosomal Dominant, 2) Autosomal Recessive, 3) X-linked Recessive

A section on a chromosome that has genetic information for one trait is a...

gene

How is III-3 and II-3 related?

Mother and daughter in-law

How are III-1 and I-1 related?

III-1 grandson and I-1 grandpa

How many CARRIERS are in this Pedigree ?

5

What do the roman numerals represent on a pedigree???

Generations

How many couples are in this pedigree

6

Describe the genotype: RR

Homozygous dominant

How many FEMALES are affected in Generation III ?

1

Is Person 3 from Generation III affected by the trait? Yes or no?

NO

Between two parents, their offsprings will receive ____ of genes from each parent.

50%

How many generations are in this pedigree?

4

The trait in a pedigree is AUTOSOMAL DOMINANT. That means affected individuals have WHAT 2 POSSIBLE GENOTYPES?

AA or Aa

true or false: MALES are the MOST affected by an X-linked trait and in a pedigree, you will notice that MORE MALES are affected than females.

True

How many males are affected by a disease?

3

Describe the genotype: Rr

Heterozygous dominant

How many chromosomes do humans get from each parent?

23

What are the two models that identify and predict traits of individuals?

pedigrees and punnett squares

How many MALES are affected in Generation IV ?

4

What is the genotype of affected individuals with the AUTOSOMAL RECESSIVE trait?

aa

This word refers to the change of physical appearance of an organism.

Phenotype

Occurs when the offspring’s phenotype is a blend of the parents’ phenotypes (ex. pink flower)

incomplete dominance

How many generations are in this pedigree?

3

Different forms of a gene is are called...

alleles

True or False: There are NO carriers in a pedigree for autosomal DOMINANT traits.

TRUE

Draw out the punnett square for. I-1 and I-2

Aa/aa

What is the genotype of II-1?

RR or Rr

How many chromosomes do humans have?

46

How many children did II-4 and II-5 have?

3

What does it mean when a circle or square is only HALF-SHADED?

The person is a CARRIER.

Write out all the genotypes

True or False: An autosomal recessive trait in a pedigree could skip a generation and appear in later generations.

true

Occurs when both alleles can be observed in a phenotype (ex. a white flower with red spots)

Codominance

What does a CIRCLE represent on a pedigree???

Females

How many children do parents II-2 and II-3 have?

3