DNA Flashcards
(23 cards)
What is a chromosome?
A thread like structure of nucleic acids and protein found in the nucleus of most living cells
What is the location of DNA?
Nucleus
What is a diploid
A cell or an organism consisting of two sets of chromosomes
What is fertilization
The action or process of fertilizing an egg or a female animal or plant
How many sets of chromosomes do sex cells have
One
How many sets of chromosomes do body cells have
Two
What is a zygote
Is produced when two gamete cells are joined by sexual reproduction
How many chromosomes do diploids have
46
How many chromosomes do sex cells have
23
What is the function of DNA?
Nucleic acid that contains the genetic instructions for the development and function of living things
What fuses to form a zygote
2 gametes
Where is mitosis located
Nucleus
Where is meiosis located
Ovaries and testis
Homozygous
HH/hh
Heterozygous
Hh
What are somatic cells
Are all body cells of an organism. They divide via mitosis for growth and repair
Why do men suffer from sex linked conditions
Because the only have one copy of the sex allele
What is the genotype
The internal gene ( HH/hh/Hh)
What is a phenotype
The physical features (red hair/ brown hair)
What is homozygous
Two alleles of the same
What is heterozygous
Two different alleles
What is inheritance
The passing on of inherited characteristics from parent to offspring
What are the stages of mitosis
Interphase, prophase, metaphase, anaphase, telophase and cytokinesis
