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Genetics vocab

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Trait

a)

A specific characteristic of an individual that results from production of certain proteins (ex: Eye color)

b)

Specific segment of DNA that codes for protein

c)

One of different forms or versions of gene (ex: blue eyes, brown eyes, hazel eyes)

2.

Gene

a)

Specific character of an individual that results from production of certain proteins (ex: eye color)

b)

specific segment of DNA that codes for proteins

c)

One of different forms or versions of a gene (ex: blue eyes, brown eyes, hazel eyes)

3.

Allele

a)

Specific character of an individual that results from production of certain proteins (ex: eye color)

b)

specific segment of DNA that codes for protein

c)

one of different forms or versions of gene (ex: brown eyes, blue eyes, hazel eyes)

4.

Genotype

a)

Genes or DNA that codes for an organisms trait

EX: BB, Bb, bb

b)

Physical observable traits of an organisms

EX: eye color or nose shape

5.

Phenotype

a)

Genes or DNA that codes for an organisms trait

EX: BB, Bb, bb

b)

Physical observable traits of an organism

EX: eye color, nose shape

6.

Recessive

a)

weaker form of trait; lowercase letter; only expressed if both alleles are recessive

b)

stronger form of trait; capital letter; always expressed

c)

both alleles are the same

EX: AA, ee, FF, mm

d)

one allele is dominant, one is recessive

EX: Hh, Ff, Mm

7.

Dominant

a)

weaker form of trait; lowercase letter; only expressed if both alleles are recessive

b)

stronger form of trait; capital letter; always expressed

c)

both alleles are the same

EX: AA, ee, FF, mm

d)

one allele is dominant, one is recessive

EX: Hh, Ff, Mm

8.

Homozygous

a)

weaker form of trait; lowercase letter; only expressed if both alleles are recessive

b)

stronger form of trait; capital letter; always expressed

c)

both alleles are the same

EX: AA, ee, FF, mm

d)

one allele is dominant, one is recessive

EX: Hh, Ff, Mm

9.

Heterozygous

a)

weaker form of trait; lowercase letter; only expressed if both alleles are recessive

b)

stronger form of trait; capital letter; always expressed

c)

both alleles are the same

EX: AA, ee, FF, mm

d)

one allele is dominant, one is recessive

EX: Hh, Ff, Mm

10.

hh is homozygous recessive

a)

True

b)

False