Genetics grade 7

What gives an outcome of varied or diverse offspring?

• mitosis

• meiosis

• me

• mom

Tags

NGSS.HS-LS3-2

What does Heterozygous mean?

• an organism that has different genes for a trait (Tt)

• an organism that has the same genes for a trait (TT or tt)

• neither gene is fully dominant

• the different forms of a trait

Having two different genes for a trait (sometimes called hybrid)

• protein

• genotype

• homozygous

• heterozygous

Which is homozygous?

• TT

• Tt

Human beings have 23 genes

• True

• False

What is the difference between a dominant and recessive allele?

• dominant alleles are all beneficial for survival

• dominant alleles are better than recessive alleles

• dominant alleles mask the effect of recessive alleles

• all recessive alleles cause diseases

What you see or the physical appearance

• genotype

• phenotype

• homozygous

• happy meal

Tags

NGSS.MS-LS4-2

Which of the following genotypes is homozygous dominant?

• Aa

• aa

• AA

The different forms of a gene.

• alleles

• proteins

• atoms

Tags

NGSS.HS-LS3-2

An offspring will receive how many alleles from each parent to determine a specific trait?

• one

• two

• three

• four

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1