Bio Unit 3 punnet square rules

Question 1

Incomplete dominance

Answer 1

the colors mix from the parents. Like pink. Use the same letter but upper and lower case.

Question 2

Codominace

Answer 2

Roan cattle, erminate, speckled. The two traits from the parents are clearly shown. 2 upper case letter.

Question 3

Multiple alleles

Answer 3

basically blood type. A,B,o-ii, or AB

Question 4

Polygenic traits

Answer 4

Many genes for a single trait. Liken skin and eye color.

Question 5

Hetrozygotes also known as

Answer 5

hybrids

Question 6

Homozygous always known as

Answer 6

pure-breed or true breeding

Question 7

Abt mendel’s laws

Answer 7

they are applicable to all organisms but they are not applicable to all trait

Question 8

Mendals laws

Answer 8

1) law of dominance : some traits are more dominant than others

2) law of segregation : alleles are separated in gamete formation in meiosis

3) law of independant assortment : pairs of alleles are sorted independendently in meiosis.

Question 9

Non-disjunction

Answer 9

error during gamete formation, the homologous chromosomes do not separate

Question 10

Down’s syndrome

Answer 10

extra 21st chromosome

Question 11

Ressive Autosomal

Answer 11

Anything with both small letter will have the disease. Hetrozygotes will be carrier. Big normal.

Question 12

Dominant autosomal

Answer 12

Anything with big letter has the disease. 2 little is normal

Question 13

Sex linked Ressive

Answer 13

also known as xlinked

Hemophilia and color blindness. Anything with one little or 2 has it. Hetrogygote are carrier.

Question 14

Sex linked dominant

Answer 14

anything with big letter has it. Both little or in men little means they are safe.