Show:
The Basics
Genetics Terms
Nonmendelian Stuff
Punnet Squares
Population Genetics
100

The study of heredity

Genetics

100

The physical trait observed in an offspring is known as it's -

Phenotype

100

When a gene has more than 2 possible alleles (like blood types)

Multiple alleles

100

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Recessive

100

The person responsible for popularizing the concept of natural selection

Charles Darwin

200
Who first studied heredity and the passage of traits from one generation to the next?
Gregor Mendel
200

The letters that are used to represent gene expressions

alleles

200

Two traits produce a blended phenotype (like pink roses)

Incomplete dominance

200

Two dark brown rabbits have four offspring. Three of the offspring are dark and one is white. What does this tell you about the parents' genes for fur color?

Dark brown is dominant and white fur is recessive. Both parents are heterozygous.

200

The process in nature where a particular trait allows an organism to survive better to reproduce.

Natural Selection

300
What type of organism did Gregor Mendel use to first study heredity?
Pea Plants
300

For some traits, only one copy of a particular gene is needed to show a given trait. These genes are referred to as-

Dominant

300

Both traits are present in hybrid offspring, but are not blended (like roan cattle)

Codominance

300
A black chicken (BB) is crossed with a black chicken (BB). What percentage of offspring will be black?
100%
300

The process by which humans are able to select the desirable traits to pass on to offspring (like the domestic dog)

Artificial Selection

400

A chart that is used to display the genotypic ratios of offspring.

Punnett square

400

Another name for hyprid

Heterozygous

400

When one gene is used to influence several different traits (like Marfan syndrome)

Pleiotropy

400
Having dimples is dominant (D). Not having dimples is recessive. (d) Both parents are heterozygous for the dominant trait. What percentage of the children will NOT have dimples?
25%
400

The gradual loss of a trait over time when a population is small.

Genetic Drift

500

The study of how traits are passed from parent to offspring.

Inheritance (Heredity)

500
What do we call the genetic make up of the individual, represented by a set of letters?
Genotype
500

Two or more genes that interact to form a single trait (like hair color)

Polygenic Inheritance

500
Long ears are dominant (E) in rabbits. If one parent is homozygous dominant for the long ear trait and the other homozygours reccessive (e), what is the only possible genotype of the offspring?
Ee
500

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adaptation