Mendelian Genetics

Mendelian Genetics

Multiple Choice

All human have _________ chromosomes

• 23

• 46

• Diploid

• Haploid

Multiple Choice

What is a gene

• A long length of DNA that codes for a chromosome

• A short length of DNA that codes for a chromosome

• A short length of DNA that codes for a protein.

Multiple Choice

A version or variation of a gene

• trait

• gene

• allele

• DNA

Multiple Choice

Chromosomes that are paired by size and content are called _______ chromosomes.

• homeostasis

• homologous

• matching

• sister

Open Ended

Why do you think Mendel wanted to experiment on purebred plants?

Multiple Choice

What does the prefix hetero- in heterozygous mean?

• same
• different
• dating
• human

Multiple Choice

Which of the following is heterozygous

• FF

• tt

• Gg

• RR

Multiple Choice

Dominant alleles are represented by a(n)

• phenotype
• lower case letter
• upper case letter
• punnett square 

Multiple Choice

2 IDENTICAL alleles for the same trait. John has 2 genes for brown eyes so he is ___

• dominant

• recessive

• homozygous

• heterozygous

Multiple Choice

DIFFERENT alleles for the same trait. Sue has 1 gene for brown eyes and 1 gene for blue eyes so she is ___

• dominant

• recessive

• homozygous

• heterozygous

Multiple Choice

DIFFERENT alleles for the same trait. Sue has 1 gene for brown eyes and 1 gene for blue eyes so she is ___

• dominant

• recessive

• homozygous

• heterozygous

Multiple Choice

Which of the following is the correct definition for a genotype?

• The physical expression of a gene. (Characteristics)

• A strand of DNA made up of multiple mutations.

• The expression of one of your parents traits.

• The set of genes in our DNA which is responsible for a particular trait.

Multiple Choice

Being a carrier of a genetic disorder is an example of

• genotype

• phenotype

Multiple Choice

How tall you are is an example of

• genotype
• phenotype

Multiple Choice

Having the genes for baldness is an example of

• genotype
• phenotype

Multiple Choice

Hair colour is an example of

• genotype
• phenotype

Multiple Choice

Alternative forms of a gene are called

• Alleles

• Homozygous

• DNA

• Genetics

Multiple Choice

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

Multiple Choice

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

• Phenotype

• Law of Segregation

• Genotype

• Dihybrid Cross

Multiple Choice

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

from parents to offspring. Also called inherited traits.

• Heterozygous

• Mendel

• Chromosome

• Traits

Multiple Choice

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

from parents to offspring. Also called inherited traits.

• Heterozygous

• Mendel

• Chromosome

• Traits