Genetics Flashcards
What is a sex chromosome?
One pair of chromosomes that determine gender.
What is a common genetic disorder?
Mutations
What part do autosomes have in determining sex?
Not involved in determining sex.
How many chromosomes do humans have?
46.
What is a zygote?
Fertilized ovum.
What is a centromere?
Place where chromatids are attached to form a chromosome.
What is a haploid?
Cells that contain one set of like chromosomes.
What is a diploid?
Cells that contain two sets of like chromosomes.
What is self-replicating?
Genetic structure of cells containing DNA that bears genes.
What are chromatids?
Two exact copies of DNA that make up a chromosome.
What is a homologous chromosomes?
Similar in size, shape and genetic content.
What are gametes?
Organisms reproductive cells (sperm/eggs).
What is a dihybrid cross?
16 answers.
What are genes?
Fundamental physical and functional unit of heredity; found on chromosomes.
What are deletions?
Where it breaks off.
What is a duplication?
Attaches to homologue.
What is a inversion?
Where it’s flipped.
What is heredity?
Passing of traits from parents to offspring.
What is a genome?
Genetic material found in chromosome.
What are genes that are made of DNA?
Chromosomes.
What is DNA?
Protein like nucleic acid on genes, that controls inheritance.
What are 4 bases found in DNA?
Cytosine, guanine, adenine, an thymine.
What is the genetic code?
Sequence of nitrogen bases in DNA replicating– allows genetic information next generation of cells.
What is a genotype?
Actual genetic code.
