What are deleterious genes and list one example
alleles whose phenotype results in significantly reduced fitness of an animal; Dexter cattle - short legs
Genetics
The scientific study of heredity and hereditary variation.
Gregor Mendel is often referred to as
"Father of Genetics"
What plant did Gregor Mendel study?
peas
Why was Mendel more successful than other researchers? (what were they looking
for or at differently)
1. Picked easy organism to experiment
2. Picked plant that was diploid
3. Picked traits that were simply inherited
4. Mendel looked at traits separately
Define genetic improvement and list 3 examples
The betterment of an organism; 1. bigger
2. smaller
3. faster 4. hairless
5. quicker weight gain
Who created the term "genetics?'
William Batesone
What is a chromosome?
a DNA molecule composed of RNA and proteins to form a threadlike structure; only visible during meiosis and mitosis (contains the genes)
What is located on a chromosome?
genes
What is the appearance of the structure of a DNA strand?
double helix
Define DNA
Genetic material makes up a gene and then makes up a chromosome
List the bases that make up DNA
Adenine
Guanine
Cytosine
Thymine
What DNA bases are paired together? Adenine - Thymine
Cytosine - Guanine
List one dominant trait and the corresponding recessive trait
Cattle
Dominant - polled
Recessive - horned
List one dominant trait and the corresponding recessive trait
Chickens
Dominant - feathered shanks
Recessive - clean shanks
List one dominant trait and the corresponding recessive trait
Horses
Dominant - smooth hair
Recessive - curly hair
List one dominant trait and the corresponding recessive trait
Dogs
Dominant - wire hair
Recessive - smooth hair
List one dominant trait and the corresponding recessive trait
Cats Dominant - short hair
Recessive - long hair
List one dominant trait and the corresponding recessive trait
Tomato
Dominant - small fruit
Recessive - large fruit
List pairs of characteristics and the traits (specific phenotypes) of each trait Mendel
studied:
Seed color
yellow, green
List pairs of characteristics and the traits (specific phenotypes) of each trait Mendel
studied:
Flower color
purple, white
List pairs of characteristics and the traits (specific phenotypes) of each trait Mendel
studied:
Seed shape
round, wrinkled
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller PaulMarks. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $20.49. You're not tied to anything after your purchase.