Genetics
Heredity
Reproduction
Uniform or Diverse
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
How are traits passed from parent to offspring?
Through genes during reproduction
200
Where are genes located?
In the chromosomes
200
Traits are passed from parents to offspring through ___________.
Genes
200
Asexual reproduction produces offspring that are genetically ____________ to the parent.
Identical
200
What is an advantage of asexual reproduction?
A) offspring compete for food and space
B) large numbers of offspring reproduce quickly
C) extreme temperatures can wipe out entire colonies
D) offspring are genetic clones
large numbers of offspring reproduce quickly
200
Name two traits that could be inherited from a parent?
Examples:
hair color, eye color, height, skin color, freckles, etc...
300
What are the threadlike structures of DNA that carry genes called?
Chromosomes
300
What is the function of DNA inside a cell?
Stores and transmits genetic information
300
If you are studying a population of genetically identical individuals, you can conclude that these individuals reproduce how?
Asexually
300
Bacteria reproduce asexually by
A) budding
B) fragmentation
C) binary fission
D) cloning
C) binary fission
300
Human cells do not undergo the process of mitosis. True or false and explain
False, mitosis is used for growth and repair
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
Name the process. Explain your reasoning.
Mitosis , one cell splits into two
400
How many parents are involved in asexual reproduction?
One
500
Genes code for _________ and are located on ___________ that is found on a ______ strand.
traits, chromosomes, DNA
500
How many chromomsomes do humans have?
46 or 23 pair
500
Explain why the genetic variability is higher in sexual reproduction.
A zygote or new organism is made with the genetic information from both parents
500
Which of the following is definitely not an example of asexual reproduction?
A) Breeders cross different dogs to develop a new breed of dog
B) geneticists grow a field of blight- resistant wheat using the cells of a single plant
C) Bread mold spreads on a slice of bread at the back of the fridge
D) new raspberry shoot sprouts in the lawn near the raspberry patch
Breeders cross different dogs to develop a new breed of dog
500
What is the purpose of meiosis?
Meiosis produces gametes that are used to make a new organism.