Genetics

Genetics

100

What is genetics?

The study of inheritance.

200

Where are genes located?

What is chromosomes or DNA?

300

What are chromosomes made of (think of the molecule)?

What is DNA?

400

Different forms of the same gene.

What are alleles?

500

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

Genotype

Heredity

100

What is heredity?

The passage of genetic instructions (traits) from parent to offspring.

200

How many chromosomes do humans have?

What is 46 or 23 pairs?

300

Number of genes that a human has for each trait.

What is 2? (One inherited from mom and one from dad)

400

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

Phenotype

500

Crossing a black dog with a white dog, offspring have both black and white hairs. 

Wha is codominance?

Father of Genetics

100

The name of the monk who is known as the 'Father of Genetics'

Gregor Mendel

200

Type of plants that Mendel used to study inheritance.

What is pea plants?

300

Mendel called the mechanism for inheritance factors. Today we call them this.

What is genes.

400

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

Dominant

500

The sorting of chromosomes during sexual reproduction, determines -

Which traits are passed on to the offspring

Punnet Squares

100

Some genes can be hidden or covered up by another. These are considered to be-

Recessive

200

What is the punnet square used for?

What is to show the possible offspring (gametes)?

300

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

100%

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%

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

Misc

100

Why does a Punnet Square use capital and lowercase letters?

What is to represent the dominant = capital and recessive = lowercase genes?

200

An organism that has two alleles that are the same for a particular trait.

What is purebred? (Can be purebred dominant or recessive)

300

Genotype of a plant with wrinkled peas (the recessive trait). Use R as the letter.

What is rr?

400

A person who has the allele for a certain trait, but does not express it.

What is a carrier?

500

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.