DNA and Genetics

Question 1

DNA

Answer 1

An orgasms genetic material.

Question 2

Replication

Answer 2

The process of copying a DNA molecule to make another DNA molecule

Question 3

Nucleotide

Answer 3

A molecule made up of a nitrogen base, a sugar, and a phosphate group.

Question 4

Polygenic inheritance

Answer 4

Occurs when multiple genes determine the phenotype of a trait.

Question 5

Punnett square

Answer 5

A model used to predict possible genotypes and phenotypes of offspring.

Question 6

Codominance

Answer 6

Occurs when both alleles can be observed in the offspring’s phenotype.

Question 7

Heterozygous

Answer 7

Having two alleles of a gene that are different.

Question 8

Phenotype

Answer 8

How a trait appears or is expressed.

Question 9

Genotype

Answer 9

Two alleles that control the phenotype of a trait.

Question 10

Homozygous

Answer 10

Having the same two alleles of a gene.

Question 11

Translation

Answer 11

Process of making protein from RNA.

Question 12

Incomplete dominance

Answer 12

Occurs when the offspring’s phenotype is a blend of the parent phenotype

Question 13

Genetics

Answer 13

Show how traits are passed from parent to offspring.

Question 14

Hybrid

Answer 14

Offspring of two plants or animals with different forms of the same traits.

Question 15

Gene

Answer 15

Section a chromosome that has genetic information for one trait.

Question 16

Dominant trait

Answer 16

Genetic factor that blocks another genetic factor.

Question 17

Recessive trait

Answer 17

Genetic factor that is blocked by the presence of a dominant factor.

Question 18

Mutation

Answer 18

Change in nucleotide sequence of a gene.

Question 19

RNA

Answer 19

Nucleic acid that carries the code for making proteins from the nucleus to the cytoplasm.

Question 20

Transcription

Answer 20

The process of making mRNA from DNA