Exam 1 Flashcards
What is the Morill Act?
It set up land grants for colleges (most state universities are land grants)
What is the llano estacado
The staked plains (eastern New Mexico & northwestern Texas)
What does the nucleus contain?
DNA or genetic code
Chromosomes-paired strands of DNA
What is a somatic cell
Non reproductive, body cell (diploid)
What are haploid cells?
Sex cells, gametes (sperm/egg)
How do somatic cells reproduce?
Mitosis (replication)
How do gametes reproduce?
Meiosis
What is a locus
A location
What is domestication?
Animals under control of man throughout their lives. Animals dependent on man.
What is homologous Dna
Dna is that is similar but not identical
What is Mendels law
Laws of segregation-they separate & distribute randomly
Every gene has an equal random chance to be in a particular gamete.
True/false
True
Nomenclature: B-dominant allele
b-recessive allele. True/false
True
What is genotype
Genetic make up of an animal
BB is what type of genotype?
Homozygous dominant genotype
Bb is what type of genotype?
Heterozygous genotype
What type of genotype is bb?
Homozygous recessive genotype
The functional units of inheritance called ____ are located on rod-like bodies called ______ located within the nucleus of each cell.
Genes;chromosomes
What is the term for production of sex cells or gametes? specifically, what is the process called for the production of ova? For the production of sperm?
Gametogenesis, oogenesis, & spermatogenesis
Where does meiosis occur in the testicle? In the ovary?
Primordial germ cells in seminiferous tubules
What is the Union of sperm & the egg called
Fertilization
What is a newly fertilized ovum called?
Zygote
True/false: a zygote has the haploid number of chromosomes
True
DNA code of a gene is read by what process?
Transcription & translation
Crossbreeding animals of different breeds results in offspring with ______or hybrid vigor, which means that the offspring are more vigorous than the parents
Genetic engineering
What is the expression of genes at one locus are “trumped” by the action of games at a different loci?
Epistasis
Polygenic traits are controlled by what?
Many gene pairs
Phenotype is what?
Physical appearance
