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Science test #1
Meiosis-Heredity & Genes
Question | Answer | Question | Answer |
---|---|---|---|
What does homozygous mean? | Both alleles are the same. | What is a dominant trait? | This trait will show up more than the others. |
What is a punnet square used for? | It is used to show the possibility of the offspiring being a male or female that a couple could have. | What is a recessive trait? | This trait will show up fewer times than the others. |
What are genes? | They are instructions for an inherited trait. | ||
What does heterozygous mean? | It means that two alleles are different. | ||
What is genotype? | It is the genetic make up of an organism; bothe inherited alleles together form the genotype. | ||
What do sex chromosomes do? | They determine wether an organism is male or female. | ||
What is a sex linked disorder? | It's a disease carried on the X(Dominant) trait. | ||
What is pedigree? | It's a diagram that shows the occurence of a genetic trait. |