Genetics
Heredity
Reproduction
Punnet Squares
Biotechnology and MISC
100
What is genetics?
The study of heredity.
100
What is heredity?
The passage of genetic instructions (traits) from parent to offspring.
100
Sexual reproduction produces offspring that are genetically _____________ to the parents.
Similar
100
Some genes can be hidden or covered up by another. These are considered to be-
Recessive
100

What is one reason for DNA Fingerprinting?

Criminal cases

paternity tests

study biodiversity

200

What are genes made of?

DNA

200
Who first studied heredity and the passage of traits from one generation to the next?
Gregor Mendel
200
Asexual reproduction produces offspring that are genetically ____________ to the parent.
Identical
200
What is the punnet square used for?
To determine the outcome of genetic crossings.
200

What is a benefit of cloning

Organs for human transplants, save endangered species

300

How many chromosomes do humans have?

46 or 23 pairs

300
What type of organism did Gregor Mendel use to first study heredity?
Pea Plants
300
If you are studying a population of genetically identical individuals, you can conclude that these individuals reproduce how?
Asexually
300
A black chicken (BB) is crossed with a black chicken (BB). What percentage of offspring will be black?
100%
300

What are two concerns scientists have with Genetic Modification?

1. long-term health effects

2. Effects on ecosystem and biodiversity

400
Inherited traits that children get from their parents come from-
Genes
400
The physical trait observed in an offspring is known as it's -
Phenotype
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
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

What is the difference between a Law and a Theory

Law- Describes what happens

Theory- explains why or how 

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

What two laws did Gregor Mendel implement?

Law of Independence and Law of Segregation

500
The sorting of chromosomes during sexual reproduction, determines -
Which traits are passed on to the offspring
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

George has a garden with GM flowers to be resistant to a specific pest. Next year George's neighbor Sally tells him that her garden now has 1/4  of her flowers have the same immunity, without purchasing GM flowers herself. How is this possible?

Cross-pollination occurred from Georges flowers to Sallys flowers 

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