Inheritance Vocabulary

Question 1

Gene

Answer 1

Basic unit of heredity

Question 2

Allele(s)

Answer 2

An alternate form of a gene (ex: height - being short vs tall), we pass these down

Question 3

Homozygous

Answer 3

Offspring that inherit SAME (ex: TT or tt) (think of gay being HOMO-sexual- ignore this Benson) (please)

Question 4

Heterozygous

Answer 4

Offspring that inherit different (ex: Tt)

Question 5

Hybrid

Answer 5

An individual that is heterozygous for one or more alleles -> Tt for each

Question 6

Monohybrid

Answer 6

A cross involving one inherited trait

Question 7

Dihybrid

Answer 7

A cross involving two inherited traits

Question 8

Dominant

Answer 8

The allele that is expressed when present (takes priority)

Question 9

Recessive

Answer 9

The hidden allele when present with a dominant one (lower case/short)

Question 10

Genotype

Answer 10

The combination of letters

Question 11

Genotype Ratio

Answer 11

The ratio of different types of letters - (GG - Gg - Gg - gg) -> (1-2-1) need to say which combo is which letter

Question 12

Phenotype

Answer 12

Ph stands for photo (what you see) - is what the genes physically appear as

Question 13

Parent Generation (P1)

Answer 13

The parents involved in a cross

Question 13

F1 (Finial Generation)

Answer 13

Offspring of P1

Question 14

F2 (2nd Finial Generation)

Answer 14

F1 becomes P2 who produce F2

Question 15

Genetics

Answer 15

Study of inheritance patterns

Question 16

Pure - breeding

Answer 16

A cross between parents with identical alleles

Question 17

In - breeding (👎👎👎👎)

Answer 17

crossing within the breed can cause defects

Question 18

Out - Breeding

Answer 18

breeding outside the breed

Question 19

Lethal Allele

Answer 19

An allele that can cause offspring to die before or after birth

Question 20

Incomplete dominance

Answer 20

A blend of inherited traits (ex: Red x White = pink flower)

Question 21

Codominance

Answer 21

Equally shared dominance (ex: Red x White -> red with white spotted flower)