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zalisa [80]
3 years ago
12

How many people are on planet earth

Biology
2 answers:
belka [17]3 years ago
7 0

Answer:

7.8 billion as of 2020 which is an emtimate by google

Musya8 [376]3 years ago
6 0

Answer:

as of 2018 - 7.594 billion

Explanation:

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In cats, black fur color is caused by an X-linked allele; the other allele at this locus causes orange color. The heterozygote i
allochka39001 [22]

Answer:

A) tortoiseshell female; black male

Explanation:

Females have two X chromosomes and males have an X and a Y chromosome.

<u>The possible genotypes and phenotypes are</u>:

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  • XᵒY: black male
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<u>Cross of a black female and an orange male</u>

<h3>XᵒXᵒ  x  XᴼY</h3>

The female only produces Xᵒ gametes. The male produces Xᴼ and Y.

The possible offspring therefore is:  XᵒXᴼ (tortoiseshell females) and XᵒY (black males). The answer is A.

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4 years ago
Which cellular structures are found in plant cells but NOT in animal cells?
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a. chloroplast and cell wall

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4 0
3 years ago
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One year ago, what limiting factor was the most influential in determining carrying capacity?
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