Download Heredity (Chapter 11) Review ANSWERS 1. TO PREDICT THE

Heredity (Chapter 11) Review
ANSWERS
1.
TO PREDICT THE PROBABILITY OF TRAITS THAT CAN BE PASSED TO
OFFSPRING.
2.
GENOTYPES:
HH
PHENOTYPES:
Brown
PERCENTAGES:
25%
Hh
hh
Brown
Blonde
50%
25%
H
h
H
HH
Hh
h
Hh
hh
3.
HYBRID: A MIX OF DOMINANT AND RECESSIVE ALLELES
4.
PUREBRED: ONLY DOMINANT OR RECESSIVE ALLELES
5.
HOMOZYGOUS: PUREBRED; HH OR hh
6.
HETEROZYGOUS: HYBRID: Hh
7.
DOMINANT TRAITS ALWAYS SHOW UP IN THE PHENOTYPE; CAPITAL LETTER
8.
RECESSIVE TRAITS CAN ONLY SHOW UP IF PAIRED WITH ANOTHER RECESSIVE
ALLELE (DOMINANT OVERSHADOWS THE RECESSIVE); LOWER CASE LETTER.
9.
HEREDITY IS THE STUDY OF HOW TRAITS ARE PASSED FROM ONE
GENERATION TO ANOTHER, GENETICS IS THE STUDY OF HOW THE GENE PAIRS
DETERMINE WHAT TRAITS ARE SHOWN.
10. TO TRACE SPECIFIC TRAITS OVER MANY GENERATIONS
11. THE SHADED IN SHAPE HAS THE SPECIFIC TRAIT
12. MALES ARE SQUARES AND FEMALES ARE CIRCLES
13. THEIR SHAPE IS SHADED IN
14. THEIR SHAPE IS NOT SHADED IN
15. THEY BOTH REPRESENT A TRAIT WITH TWO IDENTICAL ALLELES (HH OR hh)
16. THEY BOTH REPRESENT A TRAIT WITH TWO DIFFERENT ALLELES (Hh)
17. ON THE CHROMOSOMES
18. THE TRAIT THAT YOU PHYSICALLY SEE (BROWN HAIR)
19. THE DESCRIPTION OF THE GENE PAIR USING LETTERS (Hh)
20. IT IS WHERE THE DOMINANT TRAIT DOES NOT COMPLETELY OVERSHADOW
THE RECESSIVE TRAIT AND THERE IS A BLENDING OF THE TRAIT. EX: A WHITE
FLOWER AND A DARK BLUE FLOWER CROSS TO GIVE A LIGHT BLUE OFFSPRING.
21. TRAITS THAT ARE GENETICALLY PASSED DOWN FROM PARENT TO OFFSPRING
22. NOT PASSED DOWN, YOU MUST LEARN HOW TO DO THEM
23. WHERE GENES GET MESSED UP DURING THE REPRODUCTION PROCESS
24. BY THE 23RD CHROMOSOME. FEMALES ARE XX AND MALES ARE XY. MALES
DETERMINE THE SEX OF THE OFFSPRING.
25. MANIPULATING GENES TO ALTER TRAITS
26. AN EXTRA CHROMOSOME
27. EACH PARENT CONTRIBUTES ONE OF THE ALLELES FOR A TRAIT. MOTHER
CONTRIBUTES ONE AND FATHER CONTRIBUTES ONE