8.1 Study Guide

Question 1

homozygous and heterozygous are examples of this

Answer 1

genotype

Question 2

the visible trait that alleles cause

Answer 2

phenotype

Question 3

Having two different alleles

Answer 3

heterozygous

Question 4

Having two of the same allele

Answer 4

homozygous

Question 5

you must only have copies of this allele to have this phenotype

Answer 5

recessive

Question 6

it takes one allele to cause this phenotype

Answer 6

dominant

Question 7

If a heterozygous individual has a trait different from homozygous individuals the trait is

Answer 7

co-dominance

Question 8

distinguishing characteristics that are inherited

Answer 8

traits

Question 9

the study of biological inheritance patterns and variation

Answer 9

genetics

Question 10

crossing an individual with a dominant phenotype but unknown genotype with an individual that has the recessive phenotype and genotype is called a

Answer 10

test cross

Question 11

different versions of the same gene ay same location on homologous chromosomes

Answer 11

alleles