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Genetics 1
Genetics 2
Genetics 3
Genetics 4
Genetics 5
100
The unit that determines traits
What is a gene
100
The man whom history credits as the founder of heredity, or, genetics
Who is Gregor Mendel
100
An organism's complete genetic makeup. Or a specific genetic formation, such as a heterozygous form
What is a genotype
100
The physical appearance of an organism; the outer expression of its genotype
What is a phenotype
100

Brown eyes, tall, blonde hair are all called a Genotype or Phenotype?

What are Phenotypes

200

When any organism reproduces, what do we call the new organism?

What are offspring

200
The stronger of the two kinds of alleles
What is a dominant allele
200

Heredity works by a combination of chance, or what we also call...

What is Probability

200
The weaker of the two kinds of alleles
What is a recessive allele
200

Passing of genes from one generation to the next is called?

What is Heredity

300

Which of the following is a heterozygous genotype? AA Tt gg

What is Tt

300

The grid (tool) where we determine each possible genetic outcome of the offspring they may have

What is a Punnett square

300

A genotype that contains two of the same allele

What is a homozygous genotype

300

What information do we need before we can fill in a Punnett square?

What are the parent's genotypes

300
The classification of this genotype: pp
What is homozygous recessive
400

The odds of having a heterozygous offspring when two heterozygous parents reproduce.

What is 50%

400
The classification of this genotype: BB
What is homozygous dominant
400

In Mendel's pea plants, the first-generation hybrids expressed the dominant trait how often?

What is 100% of the time

400

If the offspring are only tt? What are the genotypes of the parents?

tt

400

Aa is called what?

What is Heterozygous

500

Which one is homozygous recessive, HH, Hh, or hh?

What is hh

500

When Mendel crossed pure-breeding tall plants (TT) with pure-breeding short plants (tt), what was the result?

What is: All the plants were tall

500

When the phenotype of an organism is a blending of the two crossed traits, this is called ___________.

What is incomplete dominance

500

When the phenotype of the offspring is a combination of the two crossed traits, this is called __________.

What is codominance

500

Dihybrid Cross: Cross a heterozygous genotype for both traits with another heterozygous genotype for both traits. What is the genotypic ratio of the offspring?

BbCc X BbCc

What is 9:3:3:1 (DD, Dr, rD, rr)