Ch. 12 - Inheritance

In a cross between a homozygous purple flowered plant and a homozygous white flowered plant, all of the F1 hybrid offspring have purple flowers. What is the term for the white trait?

• Dominant

• Genotype

• Recessive

• Phenotype

  In heterozygous individuals, there is/are ______ allele(s).

• 2 identical

• 2 different

• 1

• 0

An example of phenotype is (select 2 answers)

• RR

• White flowers

• Rr

• Purple flowers

Genotype refers to the -

• Set of alleles

• Physical appearance

  A diagram of genetic relationships among family members is called a/n

• Punnett square

• Karyotype

• Generation

• Pedigree

  The law of independent assortment states that —

• Each pair of factors segregates independently of other pairs

• All possible combinations of factors cannot occur in gametes

• Any assortment of genes is possible regardless of parent genes

• Genetic traits are independent of genes on the chromosome

All gene copies are identical

• True

• False

  The term genotype refers to the physical appearance, while the term phenotype refers to the genetic makeup.

• True

• False

Homozygous recessive

• RR

• Rr

• rr

Which of these is not part of Mendel's 5 element model?

• Parents transmit genes to their offspring

• Allele presence guarantees expression

• Offspring obtain one copy of a gene from each parent

• Not all gene copies are identical

• Alleles remain discrete