How many pairs of genes does each human have?
23
A specific characteristic of an individual organism
Trait
True or False: Sibling usually look alike, but can be different.
True
Siblings can/can't have different traits from each other or even from their parents.
can
True or False: Mutations always make a noticeable difference.
False
If someone has different gene versions for a trait, are they heterozygous or homozygous?
Heterozygous
A long piece of DNA that contains many genes
Chromosome
How many genes does each parent give you in total?
23
Mutations are adaptations/random.
random
An organism has _____ copies of a gene for each feature
two
A type of molecule that genes and chromosomes are made of
DNA
Organisms can have different proteins in their cells for a particular trait/feature.
Feature
The parts of the cell that build protein molecules based on instructions from genes
Ribosomes
Each parent randomly passes on one of its ____ copies of each gene to its offspring. Each offspring, therefore, receives two copies of each gene, one from each parent.
two
A specific form of a gene that provides instructions for making a particular protein molecule
Allele