Chapter 12 Learn Smart Set 6

assortment

Mendel's observations supported the independent ___ hypothesis.

TT

homozygous dominant

recessive

A ___ trait is one that is not expressed in a heterozygous individual.

testcross

The cross of an individual who has a dominant phenotype with an individual who is homozygous recessive for that gene is known as a ____.

independent

The product rule states that the probability that two or more ____ events will occur is equal to the product of their individual probabilities.

genotype

an individual's total set of alleles for a particular trait is called his/her ____.

Tt

heterozygous

tt

homozygous recessive

The presence of an allele doesn't ensure that it will be expressed. alternative forms of genes are called alleles. parents transmit factors to offspring. each individual receives one copy of each gene from each parent.

Which of the following are components of Mendel's five-element model?

condominance

a situation where a single individual expresses two different alleles is referred to as ____.

dominant

a trait that is always expressed is called___.

Traits are transmitted directly from parents to offspring. heredity occurs within species

prior to the 20th century, the two main ideas that provided the basis for most thinking about heredity were.