Genetics

Which of these is an inherited trait for humans?

• knowing how to read
• speaking English
• being able to play the violin
• having two arms 

Tags

NGSS.MS-LS4-4

Knowing how to read a book is an example of

• a physical trait
• an inherited behavior
• a learned behavior 
• an inherited trait

What is a phenotype?

• The expression of a trait; what you see.
• refers to the genetic makeup of an individual
• An organism that has the same genes for a trait (ex. TT or tt)
• the passing of traits from parent to offspring

Tags

NGSS.HS-LS3-3

The inherited combination of alleles is known as the offspring's

• heredity
• phenotype
• genotype
• redigree

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An organism's appearance is known as its

• heredity
• phenotype
• genotype
• pedigree

Tags

NGSS.HS-LS3-1

What does heterozygous mean?

• An organism that has the same alleles for a trait (TT or tt)

• An organism that has different alleles 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

A heterozygous yellow pea plant's genotype would be:

• YY
• yy
• Yy
• Yg

Tags

NGSS.HS-LS3-1

In a double strand of DNA, the nitrogen bases only pair in a certain combination. Which combination is correct?

• A-C and T-G

• C-T and A-G

• A-T and G-C

• A-A C-C

Human gametes (sex cells) contain how many chromosomes?

• 46

• 23

• 12

• 28

An allele that is masked when a dominant allele is present. The "weaker" gene. 

• Dominant Allele
• Recessive Allele