Genetics Flashcards Preview

Տϲíҽղϲҽ > Genetics > Flashcards

Flashcards in Genetics Deck (13)
Loading flashcards...
0
Q

What’s heredity?

A

The passing of traits to parent from offspring.

1
Q

What are genetics?

A

The study of how traits are passed from parents to offspring.

2
Q

What’s a chromosome?

A

A structure of acids and proteins found in the nucleus in most living cells.

3
Q

What’s a gene?

A

A section on a chromosome that had genetic information for one trait.

4
Q

What’s alleles?

A

Different forms of genes.

5
Q

What’s a genotype?

A

The two alleles that control the phenotype of a trait.

6
Q

What’s a phenotype?

A

How a trait looks like or is expressed.

7
Q

What’s the difference between purebred and hybrid?

A

Purebred- bred from parents of the same breed

Hybrid- offspring with different forms of the same trait.

8
Q

What’s the difference between homozygous and heterozygous?

A

Homozygous- two alleles of a genotype are the same

Heterozygous- two alleles of a genotype are different

9
Q

What’s dominant?

A

RR

10
Q

What’s ressecive?

A

rr

11
Q

What’s a pedigree?

A

A family tree expressed with symbols and shading.

12
Q

What did Mendel do?

A

He concluded that two genetic factors control a trait.