Alien Genetics Law of Dominance

2 identical alleles for the same trait. John has 2 genes for brown eyes so he is __

• homozygous

• heterozygous

• genotype

• phenotype

Different alleles for the same trait. Sue has 1 gene for brown eyes and one gene for blue eyes

• homozygous

• heterozygous

• genotype

• phenotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A specific characteristic. Mendel looked at 7 different _____ in the peas such as color and shape

• dominance

• recessive

• trait

• allele

Tags

NGSS.HS-LS3-1

One of a number of different forms of a gene. The two _______ for pea color were yellow & green

• dominance

• recessive

• traits

• alleles

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The allele that is hidden unless both genes are present

• dominance

• recessive

• traits

• alleles

John has 2 genes for blue eyes (which is recessive) His phenotype is____ and his genotype is ____

• brown eyes and B B

• blue eyes and b b

• B B and brown eyes

• b b and blue eyes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Sally’s phenotype is heterozygous for brown eyes. Her genotype is written as

• brown eyes

• blue eyes

• B B

• B b

• b b

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A sequence of DNA that codes for a protein and thus determines a trait. There are hundreds of ____on each chromosome.

• genes

• Mendel

• Darwin

• probability

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

The physical characteristics of an organism that is expressed. John has blue eyes and brown hair.

• genotype

• phenotype

• alllele

• probability

The genetic makeup of an organism. John has 2 genes that are homozygous recessive for eye color {e e }

• genotype

• phenotype

• alllele

• probability