In 1887, Ralph Abercromby and Hugo Hildebrandsson Expanded Howard's Original

question 65

Multiple Choice

In 1887, Ralph Abercromby and Hugo Hildebrandsson expanded Howard's original cloud classification system and published a classification system that, with only slight modification, is still in use today. In their system, ____ principal cloud forms are divided into ____ primary cloud groups.

• A)eight; two
• B)nine; three
• C)ten; four
• D)eleven; five
• E)twelve; six

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Definitions:

Recessive Gene

A gene that produces its characteristic phenotype only when its allele is identical and not masked by a dominant gene in the pair.

Heterozygous

A genetic condition in which an individual has two different alleles of a gene, one inherited from each parent, contributing to genetic diversity.

Hereditary Transmission

The process by which genetic information is passed from parents to their offspring, determining inherited traits.

Genes

Units of heredity made up of DNA that act as instructions to make molecules called proteins, influencing how organisms develop and function.