Unit 6 - Genetics & Punnett Squares
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Allele - CORRECT ANSWER - forms of how a gene is expressed.
Ex) T or t
Dominant - CORRECT ANSWER - a trait that is always expressed. It prevents a recessive
from being expressed.
Heterozygous - CORRECT ANSWER - Having two different alleles for a trait.
Ex) Bb
Homozygous - CORRECT ANSWER - "Purebred" - having two identical alleles for a trait
Ex) BB
Recessive - CORRECT ANSWER - A trait that his hidden by a dominant trait.
Need two alleles for it to be expressed. (ex. bb)
Genotype - CORRECT ANSWER - Letters expressing the types of genes. Ex. Tt or ee
Phenotype - CORRECT ANSWER - an organisms physical appearance of the gene Ex.
tall, brown eyes, etc
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Allele - CORRECT ANSWER - forms of how a gene is expressed.
Ex) T or t
Dominant - CORRECT ANSWER - a trait that is always expressed. It prevents a recessive
from being expressed.
Heterozygous - CORRECT ANSWER - Having two different alleles for a trait.
Ex) Bb
Homozygous - CORRECT ANSWER - "Purebred" - having two identical alleles for a trait
Ex) BB
Recessive - CORRECT ANSWER - A trait that his hidden by a dominant trait.
Need two alleles for it to be expressed. (ex. bb)
Genotype - CORRECT ANSWER - Letters expressing the types of genes. Ex. Tt or ee
Phenotype - CORRECT ANSWER - an organisms physical appearance of the gene Ex.
tall, brown eyes, etc
