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Flashcards in Chapter5 Deck (12)
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0
Q

What is a dominant trait?

A

The trait observed in the first generation when parents have different trait are bred

1
Q

What is heredity?

A

The passing of genetic traits from parents to offspring

2
Q

What is a recessive gene?

A

A trait that reappears in the send generation often disappearing in the first generation what parent with different traits are bred.

3
Q

What is a gene?

A

One set of instructions for an inherited trait

4
Q

What is an allele?

A

One of the alternative forms of a gene that governs a characteristic such as hair color

5
Q

What is a phenotype?

A

An organisms appearance or other detectable characteristic

6
Q

What is a genotype?

A

The entire genetic makeup of an organism; also the combination of genes for one or more specific traits

7
Q

What is probability?

A

Other likelihood that s possible future event will occur in any given distance of the event

8
Q

What are homologous chromosomes?

A

Chromosomes that have the same sequence of genes and the same structure

9
Q

What is meiosis?

A

A process in which cell division during which the number of chromosomes decreases to half the original number by two divisions of the nucleus, which results in the production of sex cells

10
Q

What are sex chromosomes?

A

One of the pair of chromosomes that determine the sex of the individual

11
Q

What is a pedigree?

A

A diagram that shows the occurrence of a genetic trait in several generations of a family