Genetics

Genetics is the study of ​ ​ (a)  

• heredity
• body systems
• sexual reproduction
• cell division

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Match the following

• an allele that will not show its effect when there is only

  one present

• Heterozygous

• Have two identical alleles for same gene

• Genotype

• The genetic makeup of an organism

• Homozygous

• Have two different alleles for the same gene

• Recessive

• An allele that will show its effect when there is only one present

• Dominant

Genetic variation occurs in ______ reproduction

Tags

NGSS.MS-LS3-2

The variance in a gene, which occur on a fixed spot on a chromosome is

called a/an ​ (a)  

• allele
• gene
• centromere
• cell
• nucleus

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Draw a Punnett Square where a Heterozygous parent is crossed with a homozygous recessive parent. You may choose any letter of your choice.

Tags

NGSS.HS-LS3-1

Probability in genetics is expressed in ​ (a)   .

• percentages
• equations
• fractions
• whole numbers

Tags

NGSS.HS-LS3-3

On a Punnett square two capital letters indicate a gene which is_________.

• homozygous dominant

• homozygous recessive

• heterozygous

• none of the above

Which box would represent homozygous recessive?

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Chromosomes carry _____________ which express specific traits.

• genes

• information for traits

• DNA

• all of the above

Tags

NGSS.HS-LS3-1

NGSS.HS-LS1-1