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A to Z: Reproduction and Genetics

Solve all the clues below. Each answer begins with successive letters of the alphabet, e.g. the first answer starts with A, the second with B, the third with C, and so on. There is NO CLUE for the letter K.
Correct/exact spelling is important, including plural forms...
Quiz by StingerBio
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Last updated: August 16, 2020
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First submittedAugust 16, 2020
Times taken154
Average score44.0%
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Hint
Answer
A: Alternative forms of genes
Alleles
B: A person has a gene for blue eyes and one for brown eyes; the actual eye colour will be....
Brown
C: Any method of preventing pregnancy
Contraception
D: Dome-shaped contraceptive device that covers the cervix
Diaphragm
E: Storage site for maturing sperm cells
Epididymis
F: Stimulates development of an ovum (3-letter abbrev.)
FSH
G: The study of inheritance
Genetics
H: Having 2 different alleles for a certain trait
Heterozygous
I: Mechanical birth control device (3-letter abbrev.)
IUD
J: The texture of the coating that surrounds the unfertilized ovum
Jelly-like
L: Hormone that triggers ovulation
Leutenizing hormone
M: A random change in a gene or chromosome
Mutation
N: Cell organelle that houses an individual’s DNA
Nucleus
Hint
Answer
O: Where fertilization occurs in females (another name for Fallopian tube)
Oviduct
P: Organ that develops in the uterus only during pregnancy
Placenta
Q: If 4 fertilized eggs complete the gestation period, these will be born
Quadruplets
R: Type of allele that is expressed only in a homozygous setting
Recessive
S: Ejaculated fluid that contains male gametes
Semen
T: Ratio of dominant to recessive phenotype in offspring of 2 heterozygous parents (3 wds)
Three to one
U: Connects the developing fetus to the placenta (2 wds)
Umbilical cord
V: Observable differences between members of the same species
Variation
W: Unreliable natural method of contraception
Withdrawal
X: Haploid number in humans (Roman numerals)
XXIII
Y: Male babies ALWAYS inherit this from their male parent
Y chromosome
Z: Cell formed when sperm and ovum fuse
Zygote
CardinalSin
+2
Level 77
Aug 17, 2020
You should accept "luteinising hormone". In my book, it's the correct spelling.
InsufficientOwl
+1
Level 34
Jul 20, 2023
Seconded. Also, LH should be accepted as well, considering that FSH is accepted.
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