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Unit11: 7thSciTx

Genetics and Heredity

QuestionAnswer
What is the passage of genetic instructions from parent(s) to child? heredity
That allele that is always expressed if present. dominant allele
The trait that is not expressed if a dominant allele is present. recessive allele
A set of genes carried by an organism (BB, Bb, bb). genotype
The physical appearance of an organism (blue eyes, brown hair, freckles) phenotype
This table is used to predict the probably of a child being born with a specific trait. Punnett square
_______ > chromosomes > DNA > genes cell nucleus
cell nucleus > _______ > DNA > genes chromosomes
cell nucleus > chromosomes > _______ > genes DNA
cell nucleus > chromosomes > DNA > _______ genes
One half of a pair that makes a gene. allele
A physical or behavioral characteristic that is expressed by genes or influenced by the environment. trait
Hydra reproduce by a process called budding. What type of reproduction is this an example of? asexual
Sexual reproduction creates an offspring with genetic variation. True or false True
Why are sex cells special? They contain only half the chromosomes
What is binary fission? when a cell divides into two separate cells
Where is the genetic material stored in a eukaryotic cell? nucleus
Name an advantage of sexual preproduction. genetic variations in a species
Name two disadvantages of sexual reproduction. a mate is needed, takes a long time
Name an advantage of asexual reproduction. takes less time to reproduce, no mate is needed
Name a disadvantage of asexual reproduction. no genetic variations in a species
What is the best way to study genetic material...a microscope or a model? Model
Created by: rmoral15