Genetics

A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?

• 100% BB
• 75% BB and 25%Bb
• 50 % BB and 50% Bb
• 50% Bb and 50% bb

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NGSS.HS-LS3-1

NGSS.HS-LS3-3

What is a phenotype

• The genetic make up (code)
• The physical trait

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NGSS.HS-LS3-1

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

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NGSS.HS-LS3-1

having two different genes for a trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.MS-LS3-1

What does heterozygous mean?

• An organism that has the same genes for a trait (TT or tt)
• An organism that has different genes for a trait (Tt)
• When neither gene is fully dominant; offspring is a mixture of both
• the different forms of a trait (hair color--> brown, blonde, red

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is homozygous dominant?

• Yy
• Y
• yy
• YY

Who is considered the "father" of modern genetics?

• Einstein
• Mendel
• Disney
• Trump

What type of "square" helps us solve genetic problems?

• carpenter square
• Mendel square
• Punnett square
• genetic square

Tags

NGSS.HS-LS3-3