Igcse inheritance

The passing of traits from parent to offspring

• Inheritance

• Genetics

• Hybrid

• Probability

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

the genetic makeup of an organism

• heterozygous

• punnet square

• genotype

• phenotype

Tags

NGSS.HS-LS3-2

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 allele is fully dominant; offspring is a mixture of both

• the different forms of a trait (hair color--> brown, blonde, red

A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?

• 25%
• 50%
• 75%
• 100%

Tags

NGSS.HS-LS3-1

Which of the following cell types is formed by meiosis?

• muscle cells
• skin cells
• sperm cells
• blood cells

Tags

NGSS.HS-LS3-2

An organism's appearance is known as its

• heredity
• phenotype
• genotype
• pedigree

Tags

NGSS.HS-LS3-2

Where, in the eukaryotic cell, is DNA located?

• ribosomes
• nucleus
• E.R.
• cytoplasm

Tags

NGSS.MS-LS1-2

the condensed form of DNA is called________________

• an allele
• a gene
• a chromosome
• a phenotype

Tags

NGSS.HS-LS3-1

One alternative form of a gene is called_______________

• a DNA

• a Phenotype

• a trait

• an allele

What does homozygous 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 allele is fully dominant; offspring is a mixture of both

• the different forms of a trait (hair color--> brown, blonde, red