Unlike identical twins, fraternal twins A. are always the same sex

B. are produced from two identical embryos

C. result from two eggs fertilized by two different sperms.

D. is wrong

Answers

Answer 1

Answer: C. 2 eggs, 2 different sperm

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What is the main difference between a polar covalent bond and a non-polar covalent bond?

Answers

Polar covalent bonding is a type of chemical bond where a pair of electrons is unequally shared between two atoms. ... If the electronegativity of two atoms is basically the same, a nonpolar covalent bond will form, and if the electronegativity is slightly different, a polar covalent bond will form.

What male reproductive structure releases sperm into the vas deferens?

Answers

The answer is epididymis.

Testicles contain seminiferous tubules, in which sperm is produced, and an epididymis, in which sperm matures. Mature sperm passes through the epididymis to the vas deferens. There, it combines with a liquid secretion from the seminal vesicles and continues through the prostate gland to the urethra. Sperm containing fluid is called semen and it is ejected through the urethra.

What enzyme is used to make radioactive labeled DNA

Answers

Answer:

Explanation:

DNA polymerase

Use of radioactive deoxyribonucleotides as raw material for DNA synthesis makes DNA polymerase to use these radioactively labeled dNTPs to make new DNA strands. Hence, DNA polymerase enzyme can make radioactively labeled DNA by using radioactive deoxyribonucleotides as raw material.

Describe what a virion is.

Answers

Viron is a minute infectious agent which , with certain expectations , is not resolved by certain microscope .

A viron is sorta like a virus. A virus is a small infectious agent that replicates only inside the living cells of other organisms. Viruses can infect all types of forms, from animals and plants to bacteria and archaea.
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Two different versions of a gene are referred to as __________. twins duplicates alleles poles NextReset