Y10 Inheritance Key Tems Question Preview (ID: 60317)


Key Terms For Genetic Inheritance. TEACHERS: click here for quick copy question ID numbers.

Which of the following genotypes is homozygous dominant?
a) BB
b) bb
c) Bb
d) bB

Which of the following genotypes is homozygous recessive?
a) BB
b) Bb
c) bb
d) bB

What letter is used to show a dominant allele?
a) capital
b) lower case
c) it doesn't what type of letter you use
d)

What term describes the alleles you have for a certain gene?
a) phenotype
b) genotype
c)
d)

What term describes the way your alleles make you look?
a) genotype
b) phenotype
c)
d)

Which term describes chromosomes that carry the same genes?
a) heterozygous
b) homozygous
c) fraternal
d) homologous

What do different genes contain the code to make?
a) proteins
b) fats
c) sugars
d) DNA

What are the different forms of a gene called?
a) alleles
b) chromosomes
c) genes
d) nucleotides

How many chromosomes are found in a normal human body cell?
a) 23
b) 46
c) 92
d) 2

How many chromosomes are found in a human sperm cell?
a) 23
b) 46
c) 92
d) 2

What sex chromosomes make a baby male?
a) XY
b) XX
c) YY
d) XO

Brown hair colour is dominant to blonde hair colour. Which of the following would be the correct genotype for someone with blonde hair?
a) BB
b) Bb
c) bb
d) bB

Brown eyes is dominant for blue eyes. Which of the following phenotypes could be caused by having the alleles Bb for eye colour?
a) brown
b) blue
c)
d)

What are chromosomes made from?
a) proteins
b) DNA
c) cells
d) tissues

Where in a cell would you find chromosomes?
a) cell membrane
b) cytoplasm
c) nucleus
d) ribosomes

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