Genetics Flashcards
What is crossing-over?
Crossing over is the swapping of genetic information.
What are sex-link traits?
Sex-link traits are genetic traits on the X chromosome.
What are the four amino acid that make up DNA?
Cytosine, Guanine, Adenine and Thymine.
Can RNA contain Thymine (T)
RNA contains U instead of T.
What is codon?
Codon refers to the three amino acids that are read by ribosomes at a time.
What are the two sides of a chromosomes?
Chromatids
What is a centromere?
Centromeres hold chromatids together
What are malfunctions that happen early in development?
Nondisjuctions
What is the name for men with an extra X chromosome?
Kline syndrome carriers
What causes Turners Sundrom?
When a girl only has one X chromosome
What is a Punnett square?
A mathematical way to predict a pairing’s possible offspring.
What is a monohybrid cross?
One trait being crossed.
Who is Gregor Mendal
He was a monk and is the first human to record and recognize genetics.
What is an allele?
An allele is a single gene trait
What is monohybrid breeding?
Breeding between two hybrids of the same genotype
