heredity Flashcards

1
Q

heredity

A

The passing of genetic traits from parent to offspring.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

dominant trait

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Recessive trait

A

A trait that is apparent only when two recessive alleles for the same characteristics are inherited.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

genes

A

one set of instructions for an inherited trait.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

alleles

A

one of the alternative forms of a gene the governs a characteristics, such as hair color.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

phenotype

A

An organism’s appearance or other detectable characteristics.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

genotype

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

probability

A

The likelihood that a possible future event will occur in any given instance of the event.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

meiosis

A

A process in 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.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

sex chromosomes

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

pedigree

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

DNA

A

A molecule that is present in all living cells and that contains the information that determines the traits that a living thing inherits and needs to live.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

nucleotide

A

In a nucleic-acid chain, a sub unit that consists of a sugar, a phosphate, and a nitrogenous base.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

mutations

A

A change in the nucleotide-base sequence of a gene of DNA molecule.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

RNA

A

A molecule that is present in all living cells and that plays a role in protein production.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly