Mendel / Intro to genetics

Mendel / Intro to genetics

By Ms. Pressler

Please take notes!!!!!

Multiple Choice

In sexual reproduction – ______ parents are needed to make offspring

• 0

• 1

• 2

• 3

Multiple Choice

Genetics was founded by an Austrian monk named __________________.

• Charles Darwin

• Dimitri Mendeleev

• Gregor Mendel

• Francis Crick

Open Ended

Why would it have been difficult for Mendel to study genetics using humans instead of pea plants?

Open Ended

List 1 traits we have as humans

List 2 possible versions of that trait. (Alleles)

EX: Trait: Hair line

Variations/Alleles: widows peak OR straight across hair line

Multiple Choice

What are sections of DNA that determine our traits?

• Heredity

• Chromosomes

• Genes

• Mitosis

Multiple Choice

What do we call different versions of each trait that are represented by a letter.

• alleles

• genes

• chromosomes

• DNA

Multiple Choice

These traits happen more frequently in a population

• Dominant Traits

• Recessive Traits

Multiple Choice

The trait that will always be expressed if one copy of an allele is present

• Dominant Trait

• Recessive Trait

Multiple Choice

What do we the combination of 2 alleles (letters).

• Genes

• Allelles

• Genotype

• Genetics

Multiple Choice

Which answer best describes what a phenotype is?

• Combination of alleles

• Different traits that coule be inherited

• Physical expression of a trait (how something actually looks)

• The crossing of two different organisms to get different traits

Multiple Choice

_______________ = a genotype with 2 same alleles (letters)

• Homozygous

• Heterorzygous

Multiple Choice

________________ = a genotype with 2 different alleles (letters)

• Homozygous

• Heterozygous

Multiple Choice

How many letters does a genotype have?

• 1

• 2

• 4

• 6