Please answer ASAP! My teacher just assigned this today, and it is due in an hour..I have about 30 questions to finish :(

Biology

2 answers:

yuradex [85]3 years ago

8 0

Answer:

The organisms at the bottom of the food chain have a tendency of reproducing faster. (unlike the top of the food chain). Don't think that the the organisms at the bottom of the food chain are not as important though! Everything is important in any food chain!

Zolol [24]3 years ago

7 0

Answer:

the organisms at the top of the food chain are effected because theyre bigger and the need more food and prey to survive. for example sharks, if fish arent thriving because they arent eating enough from the bottom of the food chain, the sharks cant eat them and the sharks will starve.

Explanation:

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n mice, dwarfism is caused by an X-linked recessive allele, and pink coat is caused by an autosomal dominant allele (coats are n

nexus9112 [7]

Answer:

The probability of getting a dwarf and pink female is 1/2

Explanation:

In mice, dwarfism is caused by an X-linked recessive allele, and pink coat is caused by an autosomal dominant allele where coats are normally brownish.

A dwarf female from a pure line will have Xd Xd where d represent the recessive trait and the female is also brownish (pp).

A pink male from a pure line will be XPY where P represent the dominant allele but not a dwarf (D).

Xd Xd Xp Xp

XD XDXd XDXd XP XPXp XPXp F1 generation

Y XdY XdY Y XpY XpY

P XDXd x XdY XPXp x XpY

XD Xd XP Xp

Xd XDXd XdXd Xp XPXp XpXp F2 generation

Y XDY XdY Y XPY XpY

The probability of getting a dwarf and pink female is 1/2

5 0

3 years ago