Mendelian Genetics - Assessment

1.

Multiple Choice

1 min

1 pt

A feature regulated by a set of genes (allele) passed on

from parents to offspring. Also called inherited traits.

Heterozygous

Mendel

Chromosome

Traits

2.

Multiple Choice

30 sec

1 pt

Passing on traits from parents to offspring

Chromosome

Genotype

Heredity

Allele

3.

Multiple Choice

1 min

1 pt

The study of heredity

Genetics

Genome

Allele

Punnett Square

4.

Multiple Choice

45 sec

1 pt

The instruction of one allele covers up the instruction

of the other allele in a homologous pair. Symbolized by a capital letter.

Recessive Allele

Dominant Allele

Heredity

Trait

5.

Multiple Choice

45 sec

1 pt

The instructions of this allele are covered up by the other allele in a homologous pair. Symbolized by a small letter.

Homozygous

Dominant

Recessive

Genetics

6.

Multiple Choice

45 sec

1 pt

The letter symbols for both homologous alleles.

BB Bb bb AA Aa aa

Genotype

Phenotype

Recessive

Dominant

7.

Multiple Choice

45 sec

1 pt

A genotype where only dominant alleles were passed on

from both parents for one trait

BB AA TT LL

Homozygous Recessive

Homozygous Dominant

Dihybrid

Heredity

8.

Multiple Choice

45 sec

1 pt

A genotype where only recessive alleles

were passed on from both parents for one trait

bb aa tt ll

Heredity

Homozygous Dominant

Homozygous Recessive

Phenotype

9.

Multiple Choice

45 sec

1 pt

A genotype where one dominant and one recessive allele was passed on from both parents for one trait.

Bb Aa Tt Ll

Allele

Homozygous Dominant

Homozygous Recessive

Heterozygous

10.

Multiple Choice

45 sec

1 pt

The observable traits dictated by the genotype

Phenotype

Genotype

Homozygous Recessive

Homozygous Dominant

11.

Multiple Choice

45 sec

1 pt

During meiosis and gamete formation, homologous (paired up) alleles split up

Phenotype

Law of Segregation

Genotype

Dihybrid Cross

12.

Multiple Choice

45 sec

1 pt

During meiosis, the homologous pairs of chromosomes and the matching alleles are lined up independently.

Offspring are a mix of maternal genes and paternal genes.

This increases genetic variation.

Homozygous Dominant

Law of Segregation

Crossing Over

Independent Assortment

13.

Multiple Choice

45 sec

1 pt

The genetic cross between two parents for one trait:

Example BB x bb

B = dominant for brown

b = recessive for blue

Incomplete Dominance

Dihybrid Cross

Monohybrid Cross

Iron Cross

14.

Multiple Choice

45 sec

1 pt

Referring to the original parents.

P₁

F₁

F₂

Homozygous

15.

Multiple Choice

45 sec

1 pt

First Filial (child) Generation: the offspring of P₁

P₁

F₂

F₁

Heterozygous

16.

Multiple Choice

1 min

1 pt

Second Filial Generation: the offspring of F₁

P₁

F₁

F₂

Homozygous Recessive

17.

Multiple Choice

45 sec

1 pt

The ratio of homozygous dominant to heterozygous

to homozygous recessive offspring

Genotypic Ratio

Phenotypic Ratio

Monohybrid Cross

Homologous Pair

18.

Multiple Choice

45 sec

1 pt

The ratio of phenotypes in a Punnett Square

Phenotypic Ratio

Genotypic Ratio

Dihybrid Cross

Independent Assortment

19.

Multiple Choice

45 sec

1 pt

The chance that a genotype or phenotype

will actually occur in offspring

Probability

Phenotype

Genotype

Homozygous Recessive

20.

Multiple Choice

1 min

1 pt

The Italian monk/scientist who first showed

the principles of genetics

Watson and Crick

Linnaeus

Darwin

Mendel

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