In Many Species,there Are Two Representatives of Each Chromosome

question 23

Multiple Choice

In many species,there are two representatives of each chromosome.In such species,the characteristic number of chromosomes is called the ________ number.It is usually symbolized as ________.

• A) haploid; n
• B) haploid; 2n
• C) diploid; 2n
• D) diploid; n
• E) None of the answers listed are correct.

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Definitions:

Menarche

The first occurrence of menstruation in a female, marking the onset of reproductive capability.

Pubertal Growth Spurt

A rapid phase of growth in height and weight experienced during puberty due to hormonal changes.

Mature Height

The final height an organism reaches once it stops growing, often referred to in the context of human or plant development.

Concrete Operations

A stage in Piaget's theory of cognitive development where children aged 7 to 11 start thinking logically about concrete events.